3RT2026-2BB40 Siemens SIRIUS Power Contactor – Size S0, 3-Pole, 25A, 11 kW / 400V, 24V DC Coil with Spring-Loaded Terminals
The Siemens 3RT2026-2BB40is a heavy-duty, high-efficiency 3-pole power contactor from the trusted SIRIUS industrial controls family, engineered for dependable motor switching and control applications.Optimized for size S0 frame integration, this robust electromechanical contactor boasts an operational current rating of 25A and seamlessly handles loads up to 11 kW at 400V under AC-3/AC-3e conditions.It is equipped with a energy-efficient 24V DC control coil alongside integrated auxiliary contacts (1 NO + 1 NC) for safety interlocks or auxiliary signaling loops. As featured in , it utilizes vibration-resistant, maintenance-free spring-loaded terminals (cage clamps) rather than traditional screw ports, ensuring fast assembly and wiring longevity in harsh manufacturing environments
Feature / Specification | Technical Value |
|---|---|
Manufacturer | Siemens |
Product Brand / Series | SIRIUS / 3RT2 |
Model Number | 3RT2026-2BB40 |
Contactor Size | Size S0 |
Number of Poles | 3-Pole (3 PST-NO / 3 Form A) |
Control Coil Supply Voltage | 24 V DC |
Rated Operational Current ($I_e$) AC-3 / 400 V | 25 A |
Rated Operational Power AC-3 / 400 V | 11 kW |
Conventional Thermal Current ($I_{th}$) | 40 A |
Integrated Auxiliary Contacts | 1 NO + 1 NC (Normally Open / Normally Closed) |
Termination Connection Style | Spring-Loaded Terminals / Spring Clamps |
Rated Insulation Voltage ($U_i$) | 690 V |
Surge Voltage Resistance ($U_{imp}$) | 6 kV |
Mounting Mounting Configuration | Standard 35mm DIN Rail Mount or Screw Panel Base |
Ingress Protection Rating | IP20 |
Operating Ambient Temperature | -25°C to +60°C |
Mechanical Service Life | 10,000,000 Operating Cycles (typical) |
Ssaoco Dammam
- Started from: Jul 10, 2025
Add your review