Siemens 3RT2637-1AP03

Capacitor contactor, AC-6b 75 kVAr, / 400 V, 3-pole, 230 V AC, 50 Hz, auxiliary contacts: 1 NO + 1 NC

MPN
3RT2637-1AP03
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What is the Siemens 3RT2637-1AP03?

capacitor contactor, AC-6b 75 kVAr, / 400 V, 3-pole, 230 V AC, 50 Hz, auxiliary contacts: 1 NO + 1 NC, screw terminal, size: S2

Specifications

General

product brand nameSIRIUS
product designationcapacitor contactors
product type designation3RT26

General technical data

size of contactorS2
product extension auxiliary switchYes
power loss [W] for rated value of the current — at AC in hot operating state per pole3.8 W
power loss [W] for rated value of the current — without load current share typical6 W
type of calculation of power loss current-dependentquadratic
insulation voltage — of main circuit with degree of pollution 3 rated value690 V
insulation voltage — of auxiliary circuit with degree of pollution 3 rated value690 V
surge voltage resistance — of main circuit rated value6 kV
surge voltage resistance — of auxiliary circuit rated value6 kV
maximum permissible voltage for protective separation between coil and main contacts according to EN 60947-1400 V
shock resistance at rectangular impulse — at AC6.8 g / 5 ms, 4 g / 10 ms
shock resistance with sine pulse — at AC10.6 g / 5 ms, 6.2 g / 10 ms
mechanical service life (operating cycles) — of the contactor with added auxiliary switch block typical3 000 000
electrical endurance (operating cycles)150 000
reference code according to IEC 81346-2Q
Substance Prohibitance (day/month/year)05/01/2014
Net Weight1.007 kg

Ambient conditions

installation altitude at height above sea level maximum2 000 m
ambient temperature — during operation-25 ... +60 °C
ambient temperature — during storage-55 ... +80 °C
relative humidity minimum10 %
relative humidity at 55 °C according to IEC 60068-2-30 maximum95 %

Main circuit

number of poles for main current circuit3
number of NO contacts for main contacts3
number of NC contacts for main contacts0
operational current at AC-6b at 690 V at ambient temperature 60 °C rated value108 A
operating reactive power at AC-6b — at 230 V at 50/60 Hz at ambient temperature 60 °C rated value14 ... 43 kvar
operating reactive power at AC-6b — at 400 V at 50/60 Hz at ambient temperature 60 °C rated value25 ... 75 kvar
operating reactive power at AC-6b — at 500 V at 50/60 Hz at ambient temperature 60 °C rated value31 ... 94 kvar
operating reactive power at AC-6b — at 690 V at 50/60 Hz at ambient temperature 60 °C rated value43 ... 129 kvar
no-load switching frequency — at AC500 1/h
operating frequency at AC-6b — at 230 V maximum100 1/h
operating frequency at AC-6b — at 240 V maximum100 1/h
operating frequency at AC-6b — at 400 V maximum100 1/h
operating frequency at AC-6b — at 480 V maximum50 1/h
operating frequency at AC-6b — at 500 V maximum45 1/h
operating frequency at AC-6b — at 600 V maximum32 1/h
operating frequency at AC-6b — at 690 V maximum25 1/h

Control circuit/ Control

type of voltageAC
type of voltage of the control supply voltageAC
control supply voltage at AC — at 50 Hz rated value230 V
control supply voltage frequency — 1 rated value50 Hz
operating range factor control supply voltage rated value of magnet coil at AC — at 50 Hz0.8 ... 1.1
apparent pick-up power of magnet coil at AC190 V·A
inductive power factor with closing power of the coil0.72
apparent holding power of magnet coil at AC16 V·A
inductive power factor with the holding power of the coil0.37
closing delay — at AC10 ... 80 ms
opening delay — at AC10 ... 18 ms
arcing time10 ... 20 ms
control version of the switch operating mechanismStandard A1 - A2

Auxiliary circuit

number of NC contacts for auxiliary contacts1
number of NC contacts for auxiliary contacts — attachable1
number of NC contacts for auxiliary contacts — instantaneous contact1
number of NO contacts for auxiliary contacts1
number of NO contacts for auxiliary contacts — attachable1
number of NO contacts for auxiliary contacts — instantaneous contact1
operational current of auxiliary contacts at AC-12 maximum10 A
operational current of auxiliary contacts at AC-15 — at 230 V6 A
operational current of auxiliary contacts at AC-15 — at 400 V3 A
operational current of auxiliary contacts at AC-15 — at 690 V0 A
operational current of auxiliary contacts at DC-13 — at 24 V6 A
operational current of auxiliary contacts at DC-13 — at 60 V2 A
operational current of auxiliary contacts at DC-13 — at 110 V1 A
operational current of auxiliary contacts at DC-13 — at 125 V0.9 A
operational current of auxiliary contacts at DC-13 — at 220 V0.3 A
contact reliability of auxiliary contacts0.00000001

UL/CSA ratings

contact rating of auxiliary contacts according to ULA600 / Q600

Short-circuit protection

design of the miniature circuit breaker for short-circuit protection of the auxiliary circuit up to 230 VC characteristic: 10 A; 0.4 kA
design of the fuse link — for short-circuit protection of the main circuit with type of coordination 1 requiredgG: 200 A (690 V, 50 kA)
design of the fuse link — for short-circuit protection of the auxiliary switch requiredgG: 10 A (690 V, 1 kA)

Installation/ mounting/ dimensions

mounting position+/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface
fastening methodscrew and snap-on mounting onto 35 mm DIN rail according to DIN EN 50022
height114 mm
width65 mm
depth130 mm
required spacing — with side-by-side mounting at the side10 mm
required spacing — for grounded parts at the side10 mm

Connections/ Terminals

type of electrical connection — for main current circuitscrew-type terminals
type of electrical connection — for auxiliary and control circuitscrew-type terminals
type of electrical connection — at contactor for auxiliary contactsScrew-type terminals
type of electrical connection — of magnet coilscrew terminal
type of connectable conductor cross-sections for main contacts — solid2x (1 ... 16 mm²)
type of connectable conductor cross-sections for main contacts — stranded2x (10 ... 35 mm²), 1x (10 ... 50 mm²)
type of connectable conductor cross-sections for main contacts — solid or stranded2x (1 ... 35 mm²), 1x (1 ... 50 mm²)
type of connectable conductor cross-sections for main contacts — finely stranded with core end processing2x (1 ... 25 mm²), 1x (1 ... 35 mm²)
type of connectable conductor cross-sections — for auxiliary contacts — solid2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²
type of connectable conductor cross-sections — for auxiliary contacts — solid or stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²
type of connectable conductor cross-sections — for auxiliary contacts — finely stranded with core end processing2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
type of connectable conductor cross-sections — for AWG cables for auxiliary contacts2x (20 ... 16), 2x (18 ... 14), 2x 12
type of minimum connectable cross-sections for main contacts at AC-6b — at 40 °C1x 50 mm²
type of minimum connectable cross-sections for main contacts at AC-6b — at 60 °C2x 35 mm²
AWG number as coded connectable conductor cross section for main contacts18 ... 0

Safety related data

product function — mirror contact according to IEC 60947-4-1No
product function — positively driven operation according to IEC 60947-5-1No
protection class IP on the front according to IEC 60529IP20
touch protection on the front according to IEC 60529finger-safe, for vertical contact from the front

Approvals Certificates

global warming potential [CO2 eq] / during manufacturing2.47 kg
global warming potential [CO2 eq] / during operation104 kg
global warming potential [CO2 eq] / after end of life-0.226 kg
global warming potential [CO2 eq] / total106 kg

Downloads & documentation

Official documents from Siemens, downloaded directly from the manufacturer.

Data sheets & manuals

3RT2637-1AP03: frequently asked questions

When can 3RT2637-1AP03 be shipped?

3RT2637-1AP03 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up 3RT2637-1AP03 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for 3RT2637-1AP03 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

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Siemens 3RT2637-1AP03Price and lead time confirmed within 1 business day
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