1 I56-351-03
B401R Plug-in Detector Base
INSTALLATION AND MAINTENANCE INSTRUCTIONS
A Division of Pittway
System Sensor Europe
Via Caboto 19, 34143, Trieste, Italy
Before Installing
Please thoroughly read the System Sensor Manual I56-407,
Guide For Proper Use of System Smoke Detectors, which pro-
vides detailed information on detector spacing, placement,
zoning, wiring, and special applications. Copies of this
manual are available at no charge from System Sensor.
NOTICE: This manual should be left with the owner/user
of this equipment.
IMPORTANT: The detector used with this base must be
tested and maintained regularly following NFPA 72 require-
ments. The detector used with this base should be cleaned
at least once a year.
For use with the following smoke detectors: 1451E and 2451E
Specifications
Diameter: 10.2 cm (4.0 inches)
Height: 2.0 cm (0.8 inches)
Weight: 152 g (0.34 lb.)
Operating Temperature: –10° to +60°C (14° to 140°F)
Operating Humidity: 10% to 93% Relative Humidity
Electrical Ratings — includes base and detector
Voltage: 24 VDC
Maximum Ripple Voltage: 4 Volts peak to peak
Start-up Capacitance: 0.02
µ
F Maximum
Standby Ratings: 15 VDC Minimum
32 VDC Maximum
120
µ
A Maximum
Alarm Ratings: 10 mA Minimum at 10.5 VDC
62mA Maximum at 32 VDC
(If used, the RA400Z Remote Annunciator operates within the specified
detector alarm currents.)
Reset Voltage: 2.5 VDC Minimum
General Description
The B401R plug-in detector base is used with System Sen-
sor model 2451E photoelectronic detector head and model
1451E ionization detector head. The capability of plugging
these detectors into a variety of special bases makes them
more versatile than equivalent direct-wired models. Refer
to the System Sensor catalog for other plug-in detector
bases.
The B401R base is intended for use in 2-wire systems, with
screw terminals provided for power, ground, and remote
annunciator connections. The B401R base also contains a
resistor to provide current limiting in the alarm state.
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