The Siemens MT-SUR-BOX-W is a white weatherproof surface-mount back box for Siemens speaker and notification appliances, enclosing wiring for damp or outdoor locations where flush mounting is not available.

Compliance

• UL listed (notification accessory)
• ULC listed
• NFPA 72 compliant

Key features

• Weatherproof surface-mount enclosure
• White finish matched to white appliances
• Gasketed construction for damp and outdoor placements
• Protects device wiring and terminations
• Knockouts for conduit entry
• For HS and SET series speaker appliances

Siemens back boxes and mounting accessories provide the surface or weatherproof enclosure that notification and initiating devices require where flush mounting into a wall is not available. Correct box selection protects the device wiring and keeps the installation aligned with the appliance family and finish color.

Verify panel and device family compatibility before ordering.