3RH2131-1AH00
CONT.RELAY,3NO+1NC,AC48V 50/60HZ

From SIEMENS

Contactor relay, 3 NO + 1 NC, 48 V AC, 50 / 60 Hz, Size S00, screw terminal
Product brand nameSIRIUS
Product designationAuxiliary contactor
Product type designation3RH2
General technical data
Size of contactorS00
Product extension
Auxiliary switchYes
Insulation voltage
with degree of pollution 3 rated value690 V
Degree of pollution3
Surge voltage resistance rated value6 kV
Protection class IP
on the frontIP20
Shock resistance at rectangular impulse
at AC7,3g / 5 ms, 4,7g / 10 ms
Shock resistance with sine pulse
at AC11,4g / 5 ms, 7,3g / 10 ms
Mechanical service life (switching cycles)
of contactor typical30 000 000
of the contactor with added electronics-compatible auxiliary switch block typical5 000 000
of the contactor with added auxiliary switch block typical10 000 000
Reference code acc. to DIN EN 81346-2K
Reference code acc. to DIN EN 61346-2K
Ambient conditions
Installation altitude at height above sea level
maximum2 000 m
Main circuit
No-load switching frequency
at AC10 000 1/h
at DC10 000 1/h
Control circuit/ Control
Type of voltage of the control supply voltageAC
Control supply voltage at AC
at 50 Hz rated value48 V
at 60 Hz rated value48 V
Control supply voltage frequency
1 rated value50 Hz
2 rated value60 Hz
Operating range factor control supply voltage rated value of magnet coil at AC
at 50 Hz0.8 ... 1.1
at 60 Hz0.85 ... 1.1
Apparent pick-up power of magnet coil at AC37 V·A
Inductive power factor with closing power of the coil0.8
Apparent holding power of magnet coil at AC5.7 V·A
Inductive power factor with the holding power of the coil0.25
Closing delay
at AC8 ... 33 ms
Opening delay
at AC4 ... 15 ms
Arcing time10 ... 15 ms
Auxiliary circuit
Number of NC contacts for auxiliary contacts1
instantaneous contact1
Number of NO contacts for auxiliary contacts3
instantaneous contact3
Identification number and letter for switching elements31 E
Operating current at AC-12 maximum10 A
Operating current at AC-15
at 230 V rated value10 A
at 400 V rated value3 A
at 500 V rated value2 A
at 690 V rated value1 A
Operating current at 1 current path at DC-12
at 24 V rated value10 A
at 110 V rated value3 A
at 220 V rated value1 A
at 440 V rated value0.3 A
at 600 V rated value0.15 A
Operating current with 2 current paths in series at DC-12
at 24 V rated value10 A
at 60 V rated value10 A
at 110 V rated value4 A
at 220 V rated value2 A
at 440 V rated value1.3 A
at 600 V rated value0.65 A
Operating current with 3 current paths in series at DC-12
at 24 V rated value10 A
at 60 V rated value10 A
at 110 V rated value10 A
at 220 V rated value3.6 A
at 440 V rated value2.5 A
at 600 V rated value1.8 A
Operating frequency at DC-12 maximum1 000 1/h
Operating current at 1 current path at DC-13
at 24 V rated value10 A
at 110 V rated value1 A
at 220 V rated value0.3 A
at 440 V rated value0.14 A
at 600 V rated value0.1 A
Operating current with 2 current paths in series at DC-13
at 24 V rated value10 A
at 60 V rated value3.5 A
at 110 V rated value1.3 A
at 220 V rated value0.9 A
at 440 V rated value0.2 A
at 600 V rated value0.1 A
Operating current with 3 current paths in series at DC-13
at 24 V rated value10 A
at 60 V rated value4.7 A
at 110 V rated value3 A
at 220 V rated value1.2 A
at 440 V rated value0.5 A
at 600 V rated value0.26 A
Operating frequency at DC-13 maximum1 000 1/h
Design of the miniature circuit breaker
for short-circuit protection of the auxiliary circuit up to 230 VC characteristic: 6 A; 0.4 kA
Contact reliability of auxiliary contacts1 faulty switching per 100 million (17 V, 1 mA)
UL/CSA ratings
Contact rating of auxiliary contacts according to ULA600 / Q600
Short-circuit protection
Design of the fuse link
for short-circuit protection of the auxiliary switch requiredfuse gL/gG: 10 A
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
(mounting type)screw and snap-on mounting onto 35 mm standard mounting rail
Height57.5 mm
Width45 mm
Depth73 mm
Required spacing
with side-by-side mounting
— forwards10 mm
— upwards10 mm
— downwards10 mm
— at the side0 mm
for grounded parts
— forwards10 mm
— upwards10 mm
— at the side6 mm
— downwards10 mm
for live parts
— forwards10 mm
— upwards10 mm
— downwards10 mm
— at the side6 mm
Connections/Terminals
Type of electrical connection
for auxiliary and control current circuitscrew-type terminals
Type of connectable conductor cross-sections
for auxiliary contacts
— single or multi-stranded2x (0,5 ... 1,5 mm²), 2x (0,75 ... 2,5 mm²), 2x 4 mm²
— finely stranded with core end processing2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
at AWG conductors for auxiliary contacts2x (20 ... 16), 2x (18 ... 14), 2x 12
Safety related data
B10 value
with high demand rate acc. to SN 319201 000 000; With 0.3 x Ie
Proportion of dangerous failures
with low demand rate acc. to SN 3192040 %
with high demand rate acc. to SN 3192073 %
Failure rate [FIT]
with low demand rate acc. to SN 31920100 FIT
Product function
positively driven operation acc. to IEC 60947-5-1Yes
T1 value for proof test interval or service life acc. to IEC 6150820 y

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