3RH2921-1DA11 Siemens Auxiliary Contact
The Siemens 3RH2921-1DA11 is a front-mounting auxiliary contact block designed for snap-on attachment to SIRIUS 3RT2 contactors and 3RH2 control relays (frame sizes S00 and S0). Configured with 1 NO (Normally Open) + 1 NC (Normally Closed) auxiliary contacts, it provides reliable switching logic and operational status feedback to control systems and PLCs. Equipped with durable screw terminals and high contact reliability, it allows easy expansion of control logic without increasing overall contactor footprint.
Specification | Parameter / Value |
|---|---|
Manufacturer | Siemens |
Range / Series | SIRIUS 3RH29 / 3RT2 Series |
Part Number | 3RH2921-1DA11 |
Product Type | Auxiliary Contact Block |
Contact Configuration | 1 NO + 1 NC (1 Normally Open + 1 Normally Closed) |
Mounting Position | Front Snap-On Mounting |
Contactor Compatibility | Fits SIRIUS 3RT2 Contactor Frames S00 & S0, 3RH2 Relays |
Rated Operational Current (Ie at AC-15) | 6 A at 24 V / 6 A at 230 V / 3 A at 400 V |
Rated Operational Current (Ie at DC-13) | 6 A at 24 V / 1 A at 110 V / 0.3 A at 220 V |
Rated Insulation Voltage (Ui) | 690 V |
Terminal / Connection Type | Screw Clamp Terminals |
Operating Temperature | -25°C to +60°C (-13°F to 140°F) |
Degree of Protection | IP20 front-side protection |
Ssaoco Dammam
- Started from: Jul 10, 2025
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