3RT2025-1BB40 Siemens power contactor
The Siemens 3RT2025-1BB40 is a highly reliable, 3-pole power contactor belonging to the modular SIRIUS 3RT2 series. Optimized for switching industrial motors and inductive loads in machine engineering, control cabinets, and modern load feeders, this Size S0 contactor operates on an energy-efficient 24V DC coil.
It features built-in, integrated 1 Normally Open (1 NO) + 1 Normally Closed (1 NC) auxiliary contacts, making status feedback and safety signaling simple. Outfitted with robust screw terminals for secure wire installations, it is fully ready for mounting on standard 35 mm DIN rails or direct panel screw-mounting.
Parameter | Specification Details |
|---|---|
Brand | Siemens |
Product Series | SIRIUS 3RT2 |
Model / Part Number | 3RT2025-1BB40 |
Product Type | Power Contactor |
Contactor Size | Size S0 |
Number of Poles | 3-Pole |
Main Contacts Configuration | 3 NO (Normally Open) |
Integrated Auxiliary Contacts | 1 NO + 1 NC |
Rated Operational Current [Ie] | • 17 A at 400 V (AC-3 / AC-3e)
• 40 A up to 690 V (AC-1, 40 °C ambient) |
Motor Power (AC-3) | 7.5 kW at 400 V |
Control / Coil Voltage | 24 V DC |
Termination Style | Screw Terminals |
Mounting Type | 35 mm DIN Rail / Screw Mounting |
IP Protection Rating | IP20 (Front) |
Ambient Operating Temp. | -25 °C to +60 °C |
Mechanical Service Life | Up to 10,000,000 switching cycles |
Dimensions (W x H x D) | 45 mm × 85 mm × 107 mm |
Ssaoco Dammam
- Started from: Jul 10, 2025
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