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The Schmersal 103055347 EX‑AZM 161SK‑1212RKA‑3D is a solenoid interlock safety switch designed for use in explosive atmospheres (EX environments). It provides guard locking and monitoring functions to ensure that hazardous machinery cannot be accessed until safe operating conditions are met, making it ideal for industries with strict safety requirements.

🔧 Product Overview

Part of the EX‑AZM 161 series, this solenoid lock combines mechanical guard locking with electrical safety monitoring. It is engineered for ATEX‑certified environments, offering robust protection in areas where explosive gases or dust may be present.

📊 Key Specifications

• Model Number: 103055347
• Series: EX‑AZM 161
• Type: Solenoid interlock safety switch (EX‑rated)
• Supply Voltage: 24 VAC/DC
• Contacts: 2 NO + 2 NC safety contacts
• Housing: Explosion‑proof enclosure, rugged thermoplastic design
• Connection: Cable entry M20
• Mounting: Suitable for hinged and sliding guards
• Certification: ATEX compliant for use in hazardous zones

🌟 Features & Benefits

• ✅ Explosion‑proof design – Safe operation in ATEX‑classified environments
• ✅ Guard locking function – Prevents access until machinery is in a safe state
• ✅ Dual safety contacts – Redundant monitoring for enhanced protection
• ✅ Flexible installation – Works with both hinged and sliding guard doors
• ✅ Durable housing – Built for long‑term use in harsh industrial conditions

📈 Applications

• Chemical and petrochemical plants
• Pharmaceutical production facilities
• Food and beverage industries with dust‑laden environments
• Mining and material handling systems
• General industrial machinery in hazardous zones

🔗 Related Models

• EX‑AZM 161SK‑1212RKA‑3D (other voltages) – Variants for 110 VAC or 230 VAC supply
• AZM 161 Standard Series – Non‑EX versions for general industrial use
• EX‑AZM 300 Series – Heavy‑duty interlocks for larger guard systems