Mier BW-250GUL Transformer Cover with Hinged Screw, UL Listed, Gray

Keep low-voltage transformers and control equipment protected and serviceable with the Mier Products BW-250GUL transformer cover. This compact, vented enclosure is engineered for security and reliability — ideal for surveillance, monitoring and access-control installations where safe, code-compliant housing is required. Constructed from 19-gauge CRS steel with a durable gray powder-coated finish and a one-piece piano hinge, the cover resists wear while providing easy access for routine maintenance.

Sized to accommodate transformers up to 20VA and featuring a screw-down lid, bolt-down doors and two 1.125 x 0.875 knockouts to accept common conduit sizes, the BW-250GUL simplifies wiring and protects connections. It’s UL/cUL 508A listed and NEMA 1 rated for indoor use, giving installers confidence in compliance and long-term performance. The vented design helps dissipate heat, reducing thermal stress on transformers and associated security electronics.

Whether protecting a transformer for a security camera circuit, access control system, or building monitoring device, the Mier BW-250GUL delivers a professional, secure solution. Add this reliable transformer cover to your next security or surveillance installation.

• Protects low-voltage transformers up to 20VA, extending equipment life and reducing maintenance needs
• Vented design and one-piece piano hinge for reliable heat dissipation and easy access during service
• 19-gauge CRS steel with gray powder-coat finish resists wear and provides a professional, tamper-resistant enclosure
• UL/cUL 508A listed and TAA-compliant for safe, code-friendly installations in security and monitoring systems
• Pre-punched knockouts and mounting holes speed installation for security, surveillance and control panel setups
• Bolt-down doors and screw-down lid deliver secure closure to protect sensitive electronics from tampering and dust