• 24 volt operation
• Removable cover and insect screen for easy cleaning
• Two LEDs blink in standby, latch in alarm, providing 360° visibility
• Field sensitivity metering of detector to meet NFPA 72 requirements
• Broad range of adapter bases available with built in shorting spring
• Sealed against dirt, insects, and back pressure
| Model | Description | |
| 2151 | Low Profile Plug-In Photoelectric Smoke Detector, UL | |
| 2151A | Low Profile Plug-In Photoelectric Smoke Detector, ULC | |
| 2151C | Low Profile Plug-In Photoelectric Smoke Detector, China | |
| 2151E | Low Profile Plug-In Photoelectric Smoke Detector, Europe | |
| B401 | Flangeless base | |
| B110LP | Flanged base | |
| B116LP | Flanged relay base, 1 Form C relay | |
| B401BH | Sounder base, requires separate 24 VDC supply | |
| F110 | Retrofit replacement flange for MRD-B400 series flanged bases | |
| BCK200 | Black retrofit flange and cover, package of 10 | |
| RA400Z | Remote LED annunciator | |
| MOD400 | Detector metering adapter module; use with most analog or digital multi-meters | |
| M02 | Test Magnet |