3SK1211-1BB40 | Siemens SIRIUS Safety Relay Output Expansion Unit tier_A_0_30 The circuit breaker’s versatile design

The circuit breaker’s versatile design supports all mounting orientations

Hazardous Location Rated: Suitable for use in classified areas requiring robust and compliant fittings

networked control

Each channel is designed to handle a specific input

3SK1211-1BB40 | Siemens SIRIUS Safety Relay Output Expansion Unit tier_A_0_30 The circuit breaker’s versatile designDescription The Siemens 3SK1211 1BB40 is a compact safety relay output expansion unit designed for increasing the number of available safety contacts in a safety related control circuit. This DIN rail mounted device features four normally open (N. O.) safety outputs and one normally closed (N. C.) signaling output, with robust screw type terminations and a 24V DC control voltage. Technical Specifications Condition New Never Used Surplus Brand Siemens