Wheelock E60-W Round Speaker, Ceiling, White SF 30/10 The RBB is an accessory

The RBB is an accessory cabinet that can be used if your main control panel backup batteries are too large to fit into the main control panel cabinet

These appliances are suitable for indoor and outdoor applications

and “Hush mode activated” when a nuisance alarm is silenced

temperature sensors

Wheelock E60-W Round Speaker, Ceiling, White SF 30/10 The RBB is an accessoryThe Wheelock E50 Wall and E60 Ceiling Speakers and Speaker Strobes are designed for high efficiency sound output for indoor applications. The E product line features intelligible communications with crisp, clear voice messages and tone signaling, ideal for mass notification and voice evacuation. Providing a sleek aesthetic appearance, the wall and ceiling appliances feature dual voltage (25 70 VRMS) capability and field selectable taps from 1 8 to 2