STI (SS2221HV-EN) “key-to-reset ; turn-to-reset ; key-to-activate ; momentary” ; yellow ; hvac shut-down

$74.40

SKU: SS2221HV-EN Brand:

Out of stock

The STI SS2221HV-EN emergency key switch is a robust, multi-function activation device designed for critical life safety and building control systems, specifically engineered for HVAC shutdown and emergency management in commercial and institutional facilities. This professional-grade manual switch provides fire alarm technicians and facilities managers with a secure, configurable interface for emergency system activation and reset protocols.

Manufactured by Safety Technology International (STI), this yellow-colored key switch offers a versatile activation mechanism with multiple operational modes: key-to-reset, turn-to-reset, key-to-activate, and momentary switch configurations. Its rugged design supports reliable performance in high-traffic environments like hospitals, educational campuses, industrial complexes, and multi-tenant commercial buildings where precise emergency control is paramount.

Key Features

  • Multi-mode activation: supports key-reset, turn-reset, key-activation, and momentary switch operations
  • Compliant with NFPA 72 fire alarm and signaling code requirements
  • Engineered for direct integration with addressable fire alarm control panels and HVAC shutdown systems
  • Durable yellow enclosure designed for high-visibility emergency applications
  • UL 268 and UL 464 listed for critical life safety infrastructure

Specifications

  • Manufacturer: Safety Technology International (STI)
  • Color: Yellow
  • Mounting: Surface or flush-mount configurations
  • Dimensions: 1200 x 630 mm

Ideal for fire alarm professionals managing complex emergency control systems, the SS2221HV-EN provides a reliable, tamper-resistant solution for critical building management interfaces. Its versatile design supports seamless integration with modern addressable fire alarm panels and building automation systems.

For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com

Additional information

Weight 1 lbs
Dimensions 7 × 4 × 4 in
Condition

New

Manufacturers

STI

Part Type

Replacement Part

Key Features

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Dimensions

1200×630.