400 Series Direct Wire Detectors

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Ion, Photo, photo w. thermal, head/base design
Optional model include Form C

UL, CSFM, FM, MEA

Specifications:

Temperature range, thermal models
32ºF to 100ºF (0ºC to 38ºC)
Temperature range, all other models
32ºF to 120ºF (0ºC to 49ºC)
Humidity Range
10% to 93% RH, noncondensing
Relay Contacts
1 Form A alarm: 2A @ 30 VAC/DC
1 Form C alarm: 2A @ 30 VAC/DC;
.6A @ 110 VDC; 1A @ 125 VAC

Model

Ion

Photo

Thermal

2-Wire

Voltage DC

Aux. Relay

Stan dby Current (Max.)

Alarm Current (Max.)

Da

Inst

1400
x

2-wire
12/24 VDC – 100µA –

1412B
x

4-wire
12 VDC Form C 100µA 77mA

1424 x 4-wire 24VDC Form C 100µA 41mA

2400 x
2-wire
12/24VAC – 120µA –

2400TH x x 2-wire 12/24VDC – 120µA –

2412B x 4-wire 12VDC Form C 120µA 77mA

2412THB x x 4-wire 12VDC Form C 120µA 77mA

2424 x 4-wire 24VDC Form C 120µA 41mA

2424TH x x 4-wire 24VDC Form C 120µA 41mA

: Data Sheet : Installation Instruction