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Siemens 3RH2131-2LF40-0LA0

Contactor relay railway, 3 NO, 110 V DC, 0.7-1.25*Us, with integrated varistor, spring-loaded terminal

MPN: 3RH2131-2LF40-0LA0
Category: SIRIUS 3RH2 contactor relays with extended application range

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What is the Siemens 3RH2131-2LF40-0LA0?

contactor relay railway, 3 NO, 110 V DC, 0.7-1.25*Us, with integrated varistor, spring-loaded terminal, frame size S00

Specifications

General

product brand name	SIRIUS
product designation	Contactor relay for railway applications
product type designation	3RH2

General technical data

size of contactor	S00
product extension auxiliary switch	Yes
power loss [W] for rated value of the current without load current share typical	2.8 W
insulation voltage with degree of pollution 3 at AC rated value	690 V
surge voltage resistance rated value	6 kV
shock resistance at rectangular impulse — at DC	10 g / 5 ms, 5 g / 10 ms
shock resistance with sine pulse — at DC	15 g / 5 ms, 8 g / 10 ms
mechanical service life (operating cycles) — of contactor typical	30 000 000
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	K
Substance Prohibitance (day/month/year)	10/01/2009
Net Weight	304.88 g

Ambient conditions

installation altitude at height above sea level maximum	2 000 m
ambient temperature — during operation	-40 ... +70 °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

no-load switching frequency — at AC	10 000 1/h
no-load switching frequency — at DC	10 000 1/h

Control circuit/ Control

type of voltage of the control supply voltage	DC
control supply voltage at DC rated value	110 V
operating range factor control supply voltage rated value of magnet coil at DC — initial value	0.7
operating range factor control supply voltage rated value of magnet coil at DC — full-scale value	1.25
design of the surge suppressor	Varistor
closing power of magnet coil at DC	13 W
holding power of magnet coil at DC	4 W
closing delay — at DC	25 ... 130 ms
opening delay — at DC	7 ... 20 ms
arcing time	10 ... 15 ms

Auxiliary circuit

number of NC contacts for auxiliary contacts	0
number of NC contacts for auxiliary contacts — instantaneous contact	0
number of NO contacts for auxiliary contacts	3
number of NO contacts for auxiliary contacts — instantaneous contact	3
identification number and letter for switching elements	21
operational current at AC-12 maximum	10 A
operational current at AC-15 — at 230 V rated value	10 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 1 current path at DC-12 — at 24 V rated value	10 A
operational current at 1 current path at DC-12 — at 110 V rated value	3 A
operational current at 1 current path at DC-12 — at 220 V rated value	1 A
operational current at 1 current path at DC-12 — at 440 V rated value	0.3 A
operational current at 1 current path at DC-12 — at 600 V rated value	0.15 A
operational current with 2 current paths in series at DC-12 — at 24 V rated value	10 A
operational current with 2 current paths in series at DC-12 — at 60 V rated value	10 A
operational current with 2 current paths in series at DC-12 — at 110 V rated value	4 A
operational current with 2 current paths in series at DC-12 — at 220 V rated value	2 A
operational current with 2 current paths in series at DC-12 — at 440 V rated value	1.3 A
operational current with 2 current paths in series at DC-12 — at 600 V rated value	0.65 A
operational current with 3 current paths in series at DC-12 — at 24 V rated value	10 A
operational current with 3 current paths in series at DC-12 — at 60 V rated value	10 A
operational current with 3 current paths in series at DC-12 — at 110 V rated value	10 A
operational current with 3 current paths in series at DC-12 — at 220 V rated value	3.6 A
operational current with 3 current paths in series at DC-12 — at 440 V rated value	2.5 A
operational current with 3 current paths in series at DC-12 — at 600 V rated value	1.8 A
operating frequency at DC-12 maximum	1 000 1/h
operational current at 1 current path at DC-13 — at 24 V rated value	10 A
operational current at 1 current path at DC-13 — at 110 V rated value	1 A
operational current at 1 current path at DC-13 — at 220 V rated value	0.3 A
operational current at 1 current path at DC-13 — at 440 V rated value	0.14 A
operational current at 1 current path at DC-13 — at 600 V rated value	0.1 A
operational current with 2 current paths in series at DC-13 — at 24 V rated value	10 A
operational current with 2 current paths in series at DC-13 — at 60 V rated value	3.5 A
operational current with 2 current paths in series at DC-13 — at 110 V rated value	1.3 A
operational current with 2 current paths in series at DC-13 — at 220 V rated value	0.9 A
operational current with 2 current paths in series at DC-13 — at 440 V rated value	0.2 A
operational current with 2 current paths in series at DC-13 — at 600 V rated value	0.1 A
operational current with 3 current paths in series at DC-13 — at 24 V rated value	10 A
operational current with 3 current paths in series at DC-13 — at 60 V rated value	4.7 A
operational current with 3 current paths in series at DC-13 — at 110 V rated value	3 A
operational current with 3 current paths in series at DC-13 — at 220 V rated value	1.2 A
operational current with 3 current paths in series at DC-13 — at 440 V rated value	0.5 A
operational current with 3 current paths in series at DC-13 — at 600 V rated value	0.26 A
operating frequency at DC-13 maximum	1 000 1/h
contact reliability of auxiliary contacts	1 faulty switching per 100 million (17 V, 1 mA)

UL/CSA ratings

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 auxiliary switch required	gG: 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 method side-by-side mounting	Yes
fastening method	screw and snap-on mounting onto 35 mm DIN rail
height	70 mm
width	45 mm
depth	116 mm
required spacing — with side-by-side mounting — forwards	10 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	10 mm
required spacing — for grounded parts — upwards	10 mm
required spacing — for grounded parts — at the side	6 mm
required spacing — for grounded parts — downwards	10 mm
required spacing — for live parts — forwards	10 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	6 mm

Connections/ Terminals

type of electrical connection for auxiliary and control circuit	spring-loaded terminals
connectable conductor cross-section for auxiliary contacts — solid or stranded	0.5 ... 4 mm²
connectable conductor cross-section for auxiliary contacts — finely stranded with core end processing	0.5 ... 2.5 mm²
connectable conductor cross-section for auxiliary contacts — finely stranded without core end processing	0.5 ... 2.5 mm²
type of connectable conductor cross-sections — for auxiliary contacts — solid or stranded	2x (0,5 ... 4 mm²)
type of connectable conductor cross-sections — for auxiliary contacts — finely stranded with core end processing	2x (0.5 ... 2.5 mm²)
type of connectable conductor cross-sections — for auxiliary contacts — finely stranded without core end processing	2x (0.5 ... 2.5 mm²)
type of connectable conductor cross-sections — for AWG cables for auxiliary contacts	2x (20 ... 12)
AWG number as coded connectable conductor cross section for auxiliary contacts	20 ... 12

Safety related data

product function positively driven operation according to IEC 60947-5-1	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; With 0.3 x Ie
failure rate [FIT] with low demand rate according to SN 31920	100 FIT
T1 value — for proof test interval or service life according to IEC 61508	20 a
protection class IP on the front according to IEC 60529	IP20
touch protection on the front according to IEC 60529	finger-safe, for vertical contact from the front

Approvals Certificates

global warming potential [CO2 eq] / during manufacturing	1.3 kg
global warming potential [CO2 eq] / during operation	132 kg
global warming potential [CO2 eq] / after end of life	-0.227 kg
global warming potential [CO2 eq] / total	133 kg

Downloads & documentation

Official documents from Siemens, downloaded directly from the manufacturer.

Data sheets & manuals

Product data sheet 3RH2131-2LF40-0LA0PDF

3RH2131-2LF40-0LA0: frequently asked questions

When can 3RH2131-2LF40-0LA0 be shipped?

3RH2131-2LF40-0LA0 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 3RH2131-2LF40-0LA0 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 3RH2131-2LF40-0LA0 and we'll include express shipping options in our reply.

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

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 3RH2131-2LF40-0LA0, subject to availability and destination.