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Siemens 3RT1076-2NB36

Power contactor, AC-3e/AC-3 500 A, 250 kW / 400 V AC (50-60 Hz) / DC Uc: 21-27.3 V PLC input 24 V DC 3-pole

MPN: 3RT1076-2NB36
Category: SIRIUS 3RT contactors, 3-pole, up to 250 kW

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What is the Siemens 3RT1076-2NB36?

power contactor, AC-3e/AC-3 500 A, 250 kW / 400 V AC (50-60 Hz) / DC Uc: 21-27.3 V PLC input 24 V DC 3-pole, auxiliary contacts 2 NO + 2 NC drive: electronic main circuit: busbar control and auxiliary circuit: spring-loaded terminal

Specifications

General

product brand name	SIRIUS
product designation	Power contactor
product type designation	3RT1

General technical data

size of contactor	S12
product extension — function module for communication	No
product extension — auxiliary switch	Yes
power loss [W] for rated value of the current — at AC in hot operating state	165 W
power loss [W] for rated value of the current — at AC in hot operating state per pole	55 W
power loss [W] for rated value of the current — without load current share typical	3.6 W
type of calculation of power loss current-dependent	quadratic
insulation voltage — of main circuit with degree of pollution 3 rated value	1 000 V
insulation voltage — of auxiliary circuit with degree of pollution 3 rated value	500 V
surge voltage resistance — of main circuit rated value	8 kV
surge voltage resistance — of auxiliary circuit rated value	6 kV
maximum permissible voltage for protective separation between coil and main contacts according to EN 60947-1	690 V
shock resistance at rectangular impulse — at AC	8,5 g / 5 ms, 4,2 g / 10 ms
shock resistance at rectangular impulse — at DC	8,5 g / 5 ms, 4,2 g / 10 ms
shock resistance with sine pulse — at AC	13,4 g / 5 ms, 6,5 g / 10 ms
shock resistance with sine pulse — at DC	13,4 g / 5 ms, 6,5 g / 10 ms
mechanical service life (operating cycles) — of contactor typical	10 000 000
mechanical service life (operating cycles) — of the contactor with added electronically optimized auxiliary switch block typical	5 000 000
mechanical service life (operating cycles) — of the contactor with added auxiliary switch block typical	10 000 000
reference code according to IEC 81346-2	Q
Substance Prohibitance (day/month/year)	05/01/2012
SVHC substance name	Lead CAS-No. 7439-92-1
Net Weight	10.54 kg

Ambient conditions

installation altitude at height above sea level maximum	2 000 m
ambient temperature — during operation	-25 ... +60 °C
ambient temperature — during storage	-55 ... +80 °C
relative humidity minimum	10 %
relative humidity at 55 °C according to IEC 60068-2-30 maximum	95 %

Main circuit

number of poles for main current circuit	3
number of NO contacts for main contacts	3
number of NC contacts for main contacts	0
operating voltage — at AC-3 rated value maximum	1 000 V
operating voltage — at AC-3e rated value maximum	1 000 V
operational current — at AC-1 at 400 V at ambient temperature 40 °C rated value	610 A
operational current — at AC-1 — up to 690 V at ambient temperature 40 °C rated value	610 A
operational current — at AC-1 — up to 690 V at ambient temperature 60 °C rated value	550 A
operational current — at AC-1 — up to 1000 V at ambient temperature 40 °C rated value	200 A
operational current — at AC-1 — up to 1000 V at ambient temperature 60 °C rated value	200 A
operational current — at AC-3 — at 400 V rated value	500 A
operational current — at AC-3 — at 500 V rated value	500 A
operational current — at AC-3 — at 690 V rated value	450 A
operational current — at AC-3 — at 1000 V rated value	180 A
operational current — at AC-3e — at 400 V rated value	500 A
operational current — at AC-3e — at 500 V rated value	500 A
operational current — at AC-3e — at 690 V rated value	450 A
operational current — at AC-3e — at 1000 V rated value	180 A
operational current — at AC-4 at 400 V rated value	430 A
operational current — at AC-5a up to 690 V rated value	536 A
operational current — at AC-5b up to 400 V rated value	415 A
operational current — at AC-6a — up to 230 V for current peak value n=20 rated value	414 A
operational current — at AC-6a — up to 400 V for current peak value n=20 rated value	414 A
operational current — at AC-6a — up to 500 V for current peak value n=20 rated value	414 A
operational current — at AC-6a — up to 690 V for current peak value n=20 rated value	414 A
operational current — at AC-6a — up to 1000 V for current peak value n=20 rated value	180 A
operational current — at AC-6a — up to 230 V for current peak value n=30 rated value	276 A
operational current — at AC-6a — up to 400 V for current peak value n=30 rated value	276 A
operational current — at AC-6a — up to 500 V for current peak value n=30 rated value	276 A
operational current — at AC-6a — up to 690 V for current peak value n=30 rated value	276 A
operational current — at AC-6a — up to 1000 V for current peak value n=30 rated value	180 A
minimum cross-section in main circuit at maximum AC-1 rated value	370 mm²
operational current for approx. 200000 operating cycles at AC-4 — at 400 V rated value	175 A
operational current for approx. 200000 operating cycles at AC-4 — at 690 V rated value	150 A
operational current — at 1 current path at DC-1 — at 24 V rated value	400 A
operational current — at 1 current path at DC-1 — at 60 V rated value	330 A
operational current — at 1 current path at DC-1 — at 110 V rated value	33 A
operational current — at 1 current path at DC-1 — at 220 V rated value	3.8 A
operational current — at 1 current path at DC-1 — at 440 V rated value	0.9 A
operational current — at 1 current path at DC-1 — at 600 V rated value	0.6 A
operational current — with 2 current paths in series at DC-1 — at 24 V rated value	400 A
operational current — with 2 current paths in series at DC-1 — at 60 V rated value	400 A
operational current — with 2 current paths in series at DC-1 — at 110 V rated value	400 A
operational current — with 2 current paths in series at DC-1 — at 220 V rated value	400 A
operational current — with 2 current paths in series at DC-1 — at 440 V rated value	4 A
operational current — with 2 current paths in series at DC-1 — at 600 V rated value	2 A
operational current — with 3 current paths in series at DC-1 — at 24 V rated value	400 A
operational current — with 3 current paths in series at DC-1 — at 60 V rated value	400 A
operational current — with 3 current paths in series at DC-1 — at 110 V rated value	400 A
operational current — with 3 current paths in series at DC-1 — at 220 V rated value	400 A
operational current — with 3 current paths in series at DC-1 — at 440 V rated value	11 A
operational current — with 3 current paths in series at DC-1 — at 600 V rated value	5.2 A
operational current — at 1 current path at DC-3 at DC-5 — at 24 V rated value	400 A
operational current — at 1 current path at DC-3 at DC-5 — at 60 V rated value	11 A
operational current — at 1 current path at DC-3 at DC-5 — at 220 V rated value	0.6 A
operational current — at 1 current path at DC-3 at DC-5 — at 440 V rated value	0.18 A
operational current — at 1 current path at DC-3 at DC-5 — at 600 V rated value	0.125 A
operational current — with 2 current paths in series at DC-3 at DC-5 — at 24 V rated value	400 A
operational current — with 2 current paths in series at DC-3 at DC-5 — at 60 V rated value	400 A
operational current — with 2 current paths in series at DC-3 at DC-5 — at 110 V rated value	400 A
operational current — with 2 current paths in series at DC-3 at DC-5 — at 220 V rated value	2.5 A
operational current — with 2 current paths in series at DC-3 at DC-5 — at 440 V rated value	0.65 A
operational current — with 2 current paths in series at DC-3 at DC-5 — at 600 V rated value	0.37 A
operational current — with 3 current paths in series at DC-3 at DC-5 — at 24 V rated value	400 A
operational current — with 3 current paths in series at DC-3 at DC-5 — at 60 V rated value	400 A
operational current — with 3 current paths in series at DC-3 at DC-5 — at 110 V rated value	400 A
operational current — with 3 current paths in series at DC-3 at DC-5 — at 220 V rated value	400 A
operational current — with 3 current paths in series at DC-3 at DC-5 — at 440 V rated value	1.4 A
operational current — with 3 current paths in series at DC-3 at DC-5 — at 600 V rated value	0.75 A
operating power — at AC-3 — at 230 V rated value	160 kW
operating power — at AC-3 — at 400 V rated value	250 kW
operating power — at AC-3 — at 500 V rated value	315 kW
operating power — at AC-3 — at 690 V rated value	400 kW
operating power — at AC-3 — at 1000 V rated value	250 kW
operating power — at AC-3e — at 230 V rated value	160 kW
operating power — at AC-3e — at 400 V rated value	250 kW
operating power — at AC-3e — at 500 V rated value	315 kW
operating power — at AC-3e — at 690 V rated value	400 kW
operating power — at AC-3e — at 1000 V rated value	250 kW
operating power for approx. 200000 operating cycles at AC-4 — at 400 V rated value	98 kW
operating power for approx. 200000 operating cycles at AC-4 — at 690 V rated value	148 kW
operating apparent power at AC-6a — up to 230 V for current peak value n=20 rated value	160 kVA
operating apparent power at AC-6a — up to 400 V for current peak value n=20 rated value	280 kVA
operating apparent power at AC-6a — up to 500 V for current peak value n=20 rated value	350 kVA
operating apparent power at AC-6a — up to 690 V for current peak value n=20 rated value	490 kVA
operating apparent power at AC-6a — up to 1000 V for current peak value n=20 rated value	310 kVA
operating apparent power at AC-6a — up to 230 V for current peak value n=30 rated value	110 kVA
operating apparent power at AC-6a — up to 400 V for current peak value n=30 rated value	190 kVA
operating apparent power at AC-6a — up to 500 V for current peak value n=30 rated value	230 kVA
operating apparent power at AC-6a — up to 690 V for current peak value n=30 rated value	330 kVA
operating apparent power at AC-6a — up to 1000 V for current peak value n=30 rated value	310 kVA
short-time withstand current in cold operating state up to 40 °C — limited to 1 s switching at zero current maximum	7 484 A; Use minimum cross-section acc. to AC-1 rated value
short-time withstand current in cold operating state up to 40 °C — limited to 5 s switching at zero current maximum	7 484 A; Use minimum cross-section acc. to AC-1 rated value
short-time withstand current in cold operating state up to 40 °C — limited to 10 s switching at zero current maximum	5 978 A; Use minimum cross-section acc. to AC-1 rated value
short-time withstand current in cold operating state up to 40 °C — limited to 30 s switching at zero current maximum	3 765 A; Use minimum cross-section acc. to AC-1 rated value
short-time withstand current in cold operating state up to 40 °C — limited to 60 s switching at zero current maximum	2 887 A; Use minimum cross-section acc. to AC-1 rated value
no-load switching frequency — at AC	1 000 1/h
no-load switching frequency — at DC	1 000 1/h
operating frequency — at AC-1 maximum	500 1/h
operating frequency — at AC-2 maximum	170 1/h
operating frequency — at AC-3 maximum	420 1/h
operating frequency — at AC-3e — maximum	420 1/h
operating frequency — at AC-4 maximum	130 1/h

Control circuit/ Control

type of voltage of the control supply voltage	AC/DC
control supply voltage at AC — at 50 Hz rated value	21 ... 27.3 V
control supply voltage at AC — at 60 Hz rated value	21 ... 27.3 V
control supply voltage at DC rated value	21 ... 27.3 V
operating range factor control supply voltage rated value of magnet coil at DC — initial value	0.8
operating range factor control supply voltage rated value of magnet coil at DC — full-scale value	1.1
operating range factor control supply voltage rated value of magnet coil at AC — at 50 Hz	0.8 ... 1.1
operating range factor control supply voltage rated value of magnet coil at AC — at 60 Hz	0.8 ... 1.1
type of PLC-control input according to IEC 60947-1	Type 2
consumed current at PLC-control input according to IEC 60947-1 maximum	20 mA
voltage at PLC-control input rated value	24 V
operating range factor of the voltage at PLC-control input	0.8 ... 1.1
design of the surge suppressor	with varistor
apparent pick-up power — at minimum rated control supply voltage at AC — at 50 Hz	560 V·A
apparent pick-up power — at minimum rated control supply voltage at AC — at 60 Hz	560 V·A
apparent pick-up power — at maximum rated control supply voltage at AC — at 60 Hz	750 V·A
apparent pick-up power — at maximum rated control supply voltage at AC — at 50 Hz	750 V·A
apparent pick-up power of magnet coil at AC — at 50 Hz	750 V·A
apparent pick-up power of magnet coil at AC — at 60 Hz	750 V·A
inductive power factor with closing power of the coil — at 50 Hz	0.8
inductive power factor with closing power of the coil — at 60 Hz	0.8
apparent holding power — at minimum rated control supply voltage at DC	3 V·A
apparent holding power — at maximum rated control supply voltage at DC	3.6 V·A
apparent holding power — at minimum rated control supply voltage at AC — at 50 Hz	5.6 V·A
apparent holding power — at minimum rated control supply voltage at AC — at 60 Hz	5.6 V·A
apparent holding power — at maximum rated control supply voltage at AC — at 50 Hz	9 V·A
apparent holding power — at maximum rated control supply voltage at AC — at 60 Hz	9 V·A
inductive power factor with the holding power of the coil — at 50 Hz	0.5
inductive power factor with the holding power of the coil — at 60 Hz	0.4
closing power of magnet coil at DC	800 W
holding power of magnet coil at DC	3.6 W
closing delay — at AC	60 ... 90 ms
closing delay — at DC	60 ... 90 ms
opening delay — at AC	80 ... 100 ms
opening delay — at DC	80 ... 100 ms
arcing time	10 ... 15 ms
control version of the switch operating mechanism	PLC-IN or Standard A1 - A2 (adjustable)

Auxiliary circuit

number of NC contacts for auxiliary contacts instantaneous contact	2
number of NO contacts for auxiliary contacts instantaneous contact	2
operational current at AC-12 maximum	10 A
operational current at AC-15 — at 230 V rated value	6 A
operational current at AC-15 — at 400 V rated value	3 A
operational current at AC-15 — at 500 V rated value	2 A
operational current at AC-15 — at 690 V rated value	1 A
operational current at DC-12 — at 24 V rated value	10 A
operational current at DC-12 — at 48 V rated value	6 A
operational current at DC-12 — at 60 V rated value	6 A
operational current at DC-12 — at 110 V rated value	3 A
operational current at DC-12 — at 125 V rated value	2 A
operational current at DC-12 — at 220 V rated value	1 A
operational current at DC-12 — at 600 V rated value	0.15 A
operational current at DC-13 — at 24 V rated value	10 A
operational current at DC-13 — at 48 V rated value	2 A
operational current at DC-13 — at 60 V rated value	2 A
operational current at DC-13 — at 110 V rated value	1 A
operational current at DC-13 — at 125 V rated value	0.9 A
operational current at DC-13 — at 220 V rated value	0.3 A
operational current at DC-13 — at 600 V rated value	0.1 A
contact reliability of auxiliary contacts	1 faulty switching per 100 million (17 V, 1 mA)

UL/CSA ratings

full-load current (FLA) for 3-phase AC motor — at 480 V rated value	477 A
full-load current (FLA) for 3-phase AC motor — at 600 V rated value	472 A
yielded mechanical performance [hp] — for 3-phase AC motor — at 200/208 V rated value	150 hp
yielded mechanical performance [hp] — for 3-phase AC motor — at 220/230 V rated value	200 hp
yielded mechanical performance [hp] — for 3-phase AC motor — at 460/480 V rated value	400 hp
yielded mechanical performance [hp] — for 3-phase AC motor — at 575/600 V rated value	500 hp
contact rating of auxiliary contacts according to UL	A600 / Q600

Short-circuit protection

design of the miniature circuit breaker for short-circuit protection of the auxiliary circuit up to 230 V	C characteristic: 10 A; 0.4 kA
design of the fuse link — for short-circuit protection of the main circuit — with type of coordination 1 required	gG: 630 A (690 V, 100 kA)
design of the fuse link — for short-circuit protection of the main circuit — with type of coordination 2 required	gG: 500 A (690 V, 100 kA), aM: 500 A (690 V, 50 kA), BS88: 500 A (415 V, 50 kA)
design of the fuse link — for short-circuit protection of the auxiliary switch required	gG: 10 A (500 V, 1 kA)

Installation/ mounting/ dimensions

mounting position	with vertical mounting surface +/-90° rotatable, with vertical mounting surface +/- 22.5° tiltable to the front and back
fastening method side-by-side mounting	Yes
fastening method	screw fixing
height	214 mm
width	160 mm
depth	225 mm
required spacing — with side-by-side mounting — forwards	20 mm
required spacing — with side-by-side mounting — upwards	10 mm
required spacing — with side-by-side mounting — downwards	10 mm
required spacing — with side-by-side mounting — at the side	0 mm
required spacing — for grounded parts — forwards	20 mm
required spacing — for grounded parts — upwards	10 mm
required spacing — for grounded parts — at the side	10 mm
required spacing — for grounded parts — downwards	10 mm
required spacing — for live parts — forwards	20 mm
required spacing — for live parts — upwards	10 mm
required spacing — for live parts — downwards	10 mm
required spacing — for live parts — at the side	10 mm

Connections/ Terminals

type of electrical connection — for main current circuit	Connection bar
type of electrical connection — for auxiliary and control circuit	spring-loaded terminals
type of electrical connection — at contactor for auxiliary contacts	Spring-type terminals
type of electrical connection — of magnet coil	Spring-loaded terminal
width of connection bar	25 mm
thickness of connection bar	6 mm
diameter of holes	11 mm
number of holes	1
type of connectable conductor cross-sections — for AWG cables for main contacts	2/0 ... 500 kcmil
connectable conductor cross-section for main contacts — stranded	70 ... 240 mm²
connectable conductor cross-section for auxiliary contacts — solid or stranded	0.25 ... 2.5 mm²
connectable conductor cross-section for auxiliary contacts — finely stranded with core end processing	0.25 ... 1.5 mm²
connectable conductor cross-section for auxiliary contacts — finely stranded without core end processing	0.25 ... 2.5 mm²
type of connectable conductor cross-sections — for auxiliary contacts — solid	2x (0.25 ... 2.5 mm²)
type of connectable conductor cross-sections — for auxiliary contacts — solid or stranded	2x (0,25 ... 2,5 mm²)
type of connectable conductor cross-sections — for auxiliary contacts — finely stranded with core end processing	2x (0.25 ... 1.5 mm²)
type of connectable conductor cross-sections — for auxiliary contacts — finely stranded without core end processing	2x (0.25 ... 2.5 mm²)
type of connectable conductor cross-sections — for AWG cables for auxiliary contacts	2x (24 ... 14)
AWG number as coded connectable conductor cross section for auxiliary contacts	24 ... 14

Safety related data

product function — mirror contact according to IEC 60947-4-1	Yes
product function — positively driven operation according to IEC 60947-5-1	No
product function — suitable for safety function	Yes
suitability for use safety-related switching OFF	Yes; safety-related disconnection via A1 A2
service life maximum	20 a
test wear-related service life necessary	Yes
proportion of dangerous failures — with low demand rate according to SN 31920	40 %
proportion of dangerous failures — with high demand rate according to SN 31920	73 %
B10 value with high demand rate according to SN 31920	1 000 000
failure rate [FIT] with low demand rate according to SN 31920	100 FIT
device type according to ISO 13849-1	3
overdimensioning according to ISO 13849-2 necessary	Yes
safety device type according to IEC 61508-2	Type A
protection class IP on the front according to IEC 60529	IP00; IP20 with box terminal/cover
touch protection on the front according to IEC 60529	finger-safe, for vertical contact from the front with box terminal/cover

Downloads & documentation

Official documents from Siemens, downloaded directly from the manufacturer.

Data sheets & manuals

Product data sheet 3RT1076-2NB36PDF

3RT1076-2NB36: frequently asked questions

When can 3RT1076-2NB36 be shipped?

3RT1076-2NB36 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

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