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🛑 Schmersal ZQ 900-22N (16772701) – Emergency Stop Pull Cord Switch with Push-Button Reset

Engineered for conveyor safety and long-distance emergency stop coverage, the Schmersal ZQ 900-22N is a robust pull-wire switch with integrated push-button reset. Designed for harsh industrial environments, it supports cable lengths up to 75 meters and ensures reliable shutdown in critical zones.

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✅ Key Features & Technical Specifications

• Part Number: 16772701
• Model: ZQ 900-22N
• Function: Emergency stop via pull-wire actuation
• Contact Configuration:
  • 2 × Normally Open (NO)
  • 2 × Normally Closed (NC)
• Housing Material: Metal (die-cast)
• Cable Length Support: Up to 75 m
• Cable Entries: 3 × M20 × 1.5
• Reset Method: Manual push-button reset
• Mounting: Fixed-point installation with tensioned wire
• Protection Class: IP65
• Ambient Temperature: –25°C to +70°C
• Switching Principle: Snap-action
• Mechanical Life: >1 million operations
• Standards: EN IEC 60947-5-1, EN ISO 13850
• Certifications: CE compliant
• Special Features:
  • Wire breakage detection
  • Watertight collar
  • Large wiring compartment
  • Position indicator (optional lamp accessory G24-M20)

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🔁 Related Models in the ZQ 900 Series

Model Code	Cable Length	Contacts	Notes
ZQ 900-01N	Up to 50 m	1 NO / 1 NC	Compact variant
ZQ 900-22N-EX	Up to 75 m	2 NO / 2 NC	Explosion-proof version
ZQ 900-22N-LED	Up to 75 m	2 NO / 2 NC	With integrated status lamp
ZQ 900-22N-S03	Up to 30 m	2 NO / 2 NC	Short-range variant

All models share the same rugged housing and pull-wire interface, with variations for cable length, contact configuration, and hazardous area compliance.

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📦 Why Choose Schmersal ZQ 900-22N?

• Reliable emergency stop over long conveyor runs
• Dual contact configuration for safety and signaling circuits
• Integrated push-button reset for manual restart
• IP65-rated metal housing for industrial durability
• Wire breakage detection enhances safety integrity
• Compliant with ISO 13850 for emergency stop systems

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