Skip to main content
Siemens 3RB3133-4WD0 — Overload Relays

3RB3133-4WD0

MPN3RB3133-4WD0
Active

Overload relay 20...80 A Electronic For motor protection Size S2, Class 5E...30E Contactor mounting Main circuit: Screw Auxiliary circuit: Spring-type terminal Manual-Automatic-Reset Internal ground fault detection

Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

3RB3133-4WD0 — Identification
ParameterValue
Product brand nameSIRIUS
Product designationsolid-state overload relay
Frame size (overload relay)S2
Combinable contactor sizesS2
Reference code (IEC 81346-2)F
3RB3133-4WD0 — Protection & Trip
ParameterValue
Overload current setting range20 ... 80 A
Trip classCLASS 5E, 10E, 20E and 30E adjustable
Overload release typeelectronic
3RB3133-4WD0 — Electrical (main circuit)
ParameterValue
Rated operational current80 A
Poles (main circuit)3
Rated operating frequency50 ... 60 Hz
Rated insulation voltage (AC, pollution degree 3)690 V
Rated value (AC-3e), max.690 V
Rated surge withstand voltage6 kV
Main current circuitscrew-type terminals
Power loss at rated current (hot)4.6 W
Per pole1.53 W
3RB3133-4WD0 — Auxiliary contacts
ParameterValue
Auxiliary contacts: NO1
Auxiliary contacts: NC1
Auxiliary contacts: CO (changeover)0
Auxiliary switch short-circuit protection (required fuse)fuse gG: 6 A
Switching current at 24 V2 A
Switching current at 60 V0.55 A
Switching current at 110 V0.3 A
Switching current at 120 V4 A
Switching current at 125 V0.3 A
Switching current at 220 V0.11 A
Switching current at 230 V3 A
3RB3133-4WD0 — Connection & Mounting
ParameterValue
Mounting / fastening methodContactor mounting
Mounting positionany
Main-circuit connector arrangementTop and bottom
Auxiliary/control circuit connection typespring-loaded terminals
Removable aux./control terminalYes
Conductor cross-section: solid2x (0.25 ... 1.5 mm²)
Conductor cross-section: solid or stranded2x (0,25 ... 1,5 mm²)
Conductor cross-section: finely stranded with ferrule2x (0.25 ... 1.5 mm²)
3RB3133-4WD0 — Environmental
ParameterValue
Operating temperature-25 ... +60 °C
Storage temperature-40 ... +80 °C
Transport temperature-40 ... +80 °C
Relative humidity, operating10 ... 95 %
Max. installation altitude2 000 m
Shock resistance15g / 11 ms
3RB3133-4WD0 — Mechanical
ParameterValue
Width55 mm
Height99 mm
Depth104 mm
MPN
3RB3133-4WD0