Transformers supply and expand power for fire alarm control panels and notification circuits. The common case is a NAC power expansion transformer that raises the available notification current when a panel's built-in supply cannot carry all the horns and strobes on a circuit.
Size by the total notification load, not by device count — candela setting drives strobe current, so two apparently identical devices can draw very different amounts. Confirm the primary voltage available at the panel location (120V or 240V) and that the unit is listed for fire alarm service.
Resideo
Resideo AT150F1030 208/277/480 Vac Transformer w/ Button for Manually Resetting Circuit Breaker, AT150F1030
Sale price$58.00
Regular price$69.60
Not in stock - available on backorder - lead time on request
Resideo
Resideo AT150F1022 Plate or Panel Mounted 120/208/240 Vac Transformer w/ 9" Lead Wires & Metal End Bells, AT150F1022
Sale price$56.50
Regular price$67.80
Not in stock - available on backorder - lead time on request
Resideo
Resideo AT150B1252 Foot Mounted 277 Vac Transformer with 9 in. Lead Wires and Plastic End Caps, AT150B1252
Sale price$46.10
Regular price$55.32
Not in stock - available on backorder - lead time on request
Resideo
Resideo AT150B1237 Foot Mounted 120/208/240 Vac Transformer w/ 9 in. Lead Wires w/ Plastic End Caps, AT150B1237
Sale price$39.50
Regular price$47.40
Not in stock - available on backorder - lead time on request
Resideo
Resideo AT150A1007 Foot Mounted, Plate Mounted, Clamp mounted or Panel Mounted 120/208/240 Vac Transformer w/ 9 in. Lead Wires (50VA), AT150A1007
Sale price$33.40
Regular price$40.08
Not in stock - available on backorder - lead time on request
Resideo
Resideo AT140B1214 Foot Mounted 120/208/240 Vac Transformer with 9 in. Lead Wires and Plastic End Caps, AT140B1214
Sale price$20.20
Regular price$24.24
Not in stock - available on backorder - lead time on request
Resideo
Resideo AT140B1206 Foot Mounted 120 Vac Transformer with 9 in. Lead Wires and Plastic End Caps, AT140B1206
Sale price$22.80
Regular price$27.36
Not in stock - available on backorder - lead time on request
Resideo
Resideo AT140B1016 Foot Mounted 40 Vac Transformer with 1/4" Male Quick Connects, AT140B1016
Sale price$18.55
Regular price$22.26
Not in stock - available on backorder - lead time on request
Resideo
Resideo AT140A1018 Foot Mounted 120/208/240 Vac Transformer w/ 9 in. Lead Wires (40VA), AT140A1018
Sale price$28.60
Regular price$34.32
Not in stock - available on backorder - lead time on request
Resideo
Resideo AT140A1000 Foot Mounted, Plate Mounted, Clamp Mounted or Panel Mounted 120 Vac Transformer (40VA), AT140A1000
Sale price$26.00
Regular price$31.20
Not in stock - available on backorder - lead time on request
Resideo
Resideo AT120B1028 Foot Mounted 120 Vac Transformer with 9 in. Lead Wires and End Bells, AT120B1028
Sale price$21.90
Regular price$26.28
Not in stock - available on backorder - lead time on request
Resideo
Resideo AT120A1004 Foot mounted 120/208/240 Vac Transformer w/ 9 in. Lead Wires, AT120A1004
Sale price$31.40
Regular price$37.68
Not in stock - available on backorder - lead time on request
Space Age
Space Age SSU-OP0021 STI Heater Kit 12/VDC with Thmost P/N STI-6580 (with Transformer)
Sale price$207.40
Regular price$248.88
Not in stock - available on backorder - lead time on request
Resideo
Resideo HZ322K TrueZONE® Kit - DATS/Transform/HZ322 Pnl
Sale price$285.20
Regular price$342.24
Not in stock - available on backorder - lead time on requestNapco
Napco TRF14LF PLUG-IN 16.5V, 50VA Transformer
Sale price$27.75
Regular price$33.30
Not in stock - available on backorder - lead time on requestNapco
Napco TRF12LF PLUG-IN 16.5V, 20VA Transformer
Sale price$12.65
Regular price$15.18
Not in stock - available on backorder - lead time on requestNapco
Napco GEM-P1632EX 16/32 Zone Control Panlel NO Transformer
Sale price$92.90
Regular price$111.48
Not in stock - available on backorder - lead time on requestNapco
Napco GEM-K120PAK GEM-P1632, GEM-K4RF, PIR1680PT, Wall Mount Siren, RJ31X J&c
Sale price$168.40
Regular price$202.08
Not in stock - available on backorder - lead time on requestMircom
Mircom TX3-NSL-8M-256 Master NSL Relay Cabinet with One PS4P Transformer, Essential for NSL Systems, Accommodating Up to Eight 2012 Telephone Line
Sale price$1,267.30
Regular price$1,520.76
Not in stock - available on backorder - lead time on requestMircom
Mircom PS-4 Transformer, 16 VAC, Pig-Tail Leads
Sale price$86.55
Regular price$103.86
Not in stock - available on backorder - lead time on requestMircom
Mircom PS-24P 24V AC Transformer - Plug
Sale price$40.75
Regular price$48.90
Not in stock - available on backorder - lead time on request
STI
STI STI-6580 Heater Kit for 12-Volt (Transformer Included)
Sale price$73.70
Regular price$88.44
Not in stock - available on backorder - lead time on requestRath Communications
Rath Communications RP7300144-24/5VA Transformer 24VAC 5VA
Sale price$40.30
Regular price$48.36
Not in stock - available on backorder - lead time on request
Honeywell Home
Honeywell Home HZ432K/U TrueZONE HZ432 Panel Kit
Sale price$508.95
Regular price$610.74
Not in stock - available on backorder - lead time on request