The Siemens MSM-EXP Metal Manual Station represents a critical life safety solution engineered for hazardous environment fire alarm applications. Designed specifically for explosive and high-risk industrial settings, this explosion-proof pull station provides robust emergency activation capabilities in challenging environments where standard manual stations would fail. Professionals working in petrochemical facilities, refineries, manufacturing plants, and other Class I, Division 1 and 2 hazardous locations rely on this advanced manual station to initiate critical fire alarm responses.
Constructed with ruggedized metal enclosure and specialized sealing technologies, the MSM-EXP prevents potential ignition sources from penetrating the device’s internal components. Its intrinsically safe design ensures reliable performance in environments with potentially combustible gases, vapors, or dust particulates. The station’s specialized engineering allows fire alarm technicians to implement emergency signaling systems that meet stringent safety regulations for high-risk industrial infrastructure.
Key Features
- UL Listed and FM Approved for Class I, Division 1 and 2, Groups A, B, C, and D hazardous locations
- Heavy-duty metal enclosure with corrosion-resistant epoxy powder coating
- SPDT switch contacts rated for 2A at 24VDC, compatible with most addressable fire alarm control panels
- Tamper-resistant design with optional mechanical protective cover
- Meets NFPA 72 and NFPA 70 installation requirements for emergency signaling equipment
- Compatible with standard 4″ electrical back boxes and surface mounting configurations
Technical Specifications
- Operating Temperature Range: -40°F to 150°F
- Voltage Rating: 24VDC nominal
- Contact Rating: 2A @ 24VDC
- Enclosure Material: Copper-free aluminum with epoxy coating
- Dimensions: 4.5″ H x 3″ W x 2.5″ D
- Weight: Approximately 3.2 lbs
Typical installation scenarios include petrochemical processing facilities, offshore oil platforms, chemical manufacturing plants, grain processing environments, paint and coating facilities, and other industrial settings with potential explosive atmospheric conditions. Fire alarm contractors and facilities managers can confidently deploy this manual station knowing it provides reliable emergency signaling while meeting the most stringent safety standards.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 4 lbs |
|---|---|
| Dimensions | 7.5 × 5 × 4 in |
| Condition | New |
| Manufacturers | Siemens |
| Part Type | Pull Station |
