3RH1131-2BB40-0TK0
CONT. RELAY, 3NO+1NC, DC 24V,

From SIEMENS

Contactor relay, 3 NO + 1 NC 24 V DC Spring-type terminal Size S00 !!! Phased-out product !!! Successor is SIRIUS 3RH2
Product brand nameSIRIUS
Product designationAuxiliary contactor
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 resistance10g / 5 ms and 5g / 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
Control circuit/ Control
Type of voltage of the control supply voltageDC
Control supply voltage at DC
rated value24 V
Operating range factor control supply voltage rated value of magnet coil at DC
initial value0.8
Full-scale value1.1
Closing power of magnet coil at DC3.2 W
Holding power of magnet coil at DC3.2 W
Auxiliary circuit
Number of NC contacts for auxiliary contacts1
instantaneous contact1
delayed switching0
lagging switching0
make-before-break switching0
Number of NO contacts for auxiliary contacts3
instantaneous contact3
delayed switching0
leading contact0
make-before-break switching0
Number of CO contacts
for auxiliary contacts0
of auxiliary contacts instantaneous contact0
Identification number and letter for switching elements31 E
Operating current at AC-12 maximum10 A
Operating current at AC-15
at 230 V rated value6 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
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 value0.27 A
Contact reliability of auxiliary contacts1 faulty switching per 100 million (17 V, 1 mA)
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
Height60 mm
Width45 mm
Depth73 mm
Required spacing
with side-by-side mounting
— at the side0 mm
Connections/Terminals
Type of electrical connection
for auxiliary and control current circuitCage Clamp terminals
Type of connectable conductor cross-sections
for auxiliary contacts
— solid2x (0.25 ... 2.5 mm²)
— finely stranded with core end processing2x (0.25 ... 1.5 mm²)
— finely stranded without core end processing2x (0.25 ... 2.5 mm²)
at AWG conductors for auxiliary contacts2x (24 ... 14)
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 3192075 %
T1 value for proof test interval or service life acc. to IEC 6150820 y

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