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Siemens 3RB2055-2FW2 — Overload Relays

3RB2055-2FW2 - Siemens

MPN3RB2055-2FW2

OVERLOAD RELAY 50...200 A FOR MOTOR PROTECTION SIZE S6, CLASS 20 MOUNT. ONTO CONT./ STAND-ALONE MAIN CIRCUIT: THROUGH TRANSF. AUX. CIRCUIT: SCREW CONNECTION MANUAL-RESET

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

3RB2055-2FW2 — Identification
ParameterValue
Product brand nameSIRIUS
Product designationsolid-state overload relay
Combinable contactor sizesS6
3RB2055-2FW2 — Protection & Trip
ParameterValue
Trip classCLASS 20E
3RB2055-2FW2 — Electrical (main circuit)
ParameterValue
Poles (main circuit)3
Rated surge withstand voltage8 kV
Main current circuitstraight-through transformers
3RB2055-2FW2 — Auxiliary contacts
ParameterValue
Auxiliary contacts: NO1
Auxiliary contacts: NC1
Auxiliary switch short-circuit protection (required fuse)fuse gL/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
3RB2055-2FW2 — Connection & Mounting
ParameterValue
Mounting positionany
Conductor cross-section: solid0.5 ... 4 mm², 2x (0.5 ... 2.5 mm²)
Conductor cross-section: finely stranded with ferrule0.5 ... 2.5 mm², 2x (0.5 ... 1.5 mm²)
3RB2055-2FW2 — Environmental
ParameterValue
Operating temperature-25 ... +60 °C
Storage temperature-40 ... +80 °C
Transport temperature-40 ... +80 °C
Relative humidity, operating100 %
Shock resistance15g / 11 ms
3RB2055-2FW2 — Mechanical
ParameterValue
Width120 mm
Height119 mm
Depth155 mm
3RB2055-2FW2 — Specifications
ParameterValue
Type Of ProtectionPTB 06 ATEX 3001 Ex II (2) GD
MPN
3RB2055-2FW2