Siemens 3SE5 Series Solenoid Interlock Switch with Power to Lock Actuator Included, 24V DC, 3.5W, IP66/67 3SE5322-0SE21

Siemens 3SE5322-0SE21 3SE5 Series Solenoid Interlock Switch with power to lock actuator included operates at 24V DC consuming 3.5W, designed to secure protective doors by preventing unwanted opening during machine operation.

This switch features a plastic housing with high ingress protection ratings IP66 and IP67, making it suitable for harsh industrial environments. Its compact size (54mm length × 43.8mm width × 184.1mm depth) allows mounting flexibility in various automation setups.

The integrated electromagnetic tumbler delivers high locking forces to keep doors securely locked until a specific signal is received, ensuring operator safety and process integrity. The standard coded actuator and 1 NO safety contact provide precise interlock functionality.

Additional technical benefits include M20 conduit entry for secure cabling, screw terminal connections for reliable electrical contacts, and compliance with major standards UL, CSA, and VDE for industrial and safety certifications.

The device includes auxiliary release options for manual unlocking in scenarios like power failures or maintenance activities. Actuator heads are rotatable in multiple increments and support diverse approach directions, promoting easy installation and adaptability.

Safety ratings include protection up to Category 4 under EN 954-1 and SIL 3 compliance per IEC 62061, making this switch suitable for high-safety industrial machinery and automated systems.

This Solenoid Interlock Switch is ideal for electrical, industrial automation, manufacturing, machine tool safety applications, including HVAC and water treatment systems requiring robust access control and emergency release features.

Explore EnvMart for more Siemens safety interlock switches and related industrial automation components to meet your system safety requirements. The switch features a standard coded actuator and 1 NO safety contact for reliable interlocking.

Supplied with a plastic housing offering robust IP66 and IP67 protection ratings. Compact dimensions with 54mm length, 43.8mm width, and 184.1mm depth facilitate integration in control panels. Operates at 24V DC contact voltage and consumes 3.5W power for efficient electromagnetic locking.

Includes M20 conduit entry and screw terminal type for secure electrical connections. Certified to UL, CSA, and VDE standards ensuring industrial safety compliance. Equipped with integrated auxiliary release mechanism usable during power failures or installation.

Suitable for protective doors requiring lock retention until specific safety signals are given. Actuator heads can be rotated in four 90° increments and support five approach directions. Safety up to Cat 4 (EN 954-1) and SIL 3 (IEC 62061) for critical safety applications.