1451A SYSTEMSENSOR | Alldatasheet
Document overview
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Technical content
System Sensor’s 400 Series plug-in smoke detectors are designed to meet the performance criteria designated by UL/ULC. The ion units have a sensing chamber sealed from back pressure air flow, dirt, and insects. This chamber is protected by a fine mesh screen which can be cleaned or replaced. Additional key features include a recessed mounting option, interchangeable ion, thermal detectors, a vari - ety of mounting bases, and a full line of optional accessories. Ionization. All 400 Series ionization smoke detectors include a specially designed dual source, dual unipolar detector chamber design which will sense the presence of smoke particles produced by fast combustion as well as slow smoldering fires. This chamber exhibits increased stability, significantly reduces nuisance alarms, and provides better performance at higher air velocities. Thermal. The 400 Series thermal rate-of-rise with fixed heat detector contains a unique dual thermistor heat sensing circuit to provide maximum performance and solid state reliability. The Model 5451 is designed to initiate an alarm at 135°F and to respond to a temperature increase in excess of 15° per minute. This enables the heat detector to communicate an alarm to the central control panel prior to reaching the static set point for these high rates of rise, providing a timely response to both rapid and slow temperature increases. This model should be used in applications where rapid response is desired and where rapid temperature increases would only be caused by a fire emergency. Models Available
1451 Ionization Detector
1451A Ionization Detector, ULC Listed
5451 Thermal Rate-of-Rise
Two visible LEDs “blink” in standby and provide a 360° field viewing angle Wide variety of mounting bases with built-in shorting spring Detector head plugs easily into base Built-in test switch Field sensitivity metering of detector to meet the requirements of NFPA 72 Built-in tamper-resistant feature SEMS screws for easy wiring Optional recessed mounting Removable cover and insect screen for field cleaning
400 Series
C o n v e n t i o n a l D e t e C t i o n
Mounting Base Selection Guide Base Model Loop Current Alarm Nominal Current Draw Number Version Type Limit Resistor Contact Type Voltage on Alarm (mA) B401B UL/ULC 2-wire* No — 12/24VDC†† 10–100** B401BR UL/ULC 2-wire* Yes — 24VDC 10–62 B402B UL/ULC 4-wire Yes Form A&C 24VDC 14–39 B404B UL/ULC 4-wire Yes Form A&C+A 120VAC 75 mA AC Max Supervisory B406B UL/ULC/EN-54 2-wire* No Form C 24VDC 12–100** B401† UL/EN-54 2-wire* No — 12/24VDC†† 10–100** B401R† EN-54 2-wire* Yes — 24VDC 10–62 *Functionality contingent on panel compatibility. **Must be limited by control panel. Operating Voltage/Alarm Current: Mounting base dependent (see chart on page 2) Standby Current: Ion: 120 µA maximum Thermal: 100 µA maximum Sensitivity: 1.9% + ±6%/ft. Ion Weight: 1451: 0.5 lb. (227 gm) 5451: 0.3 lb. (136 gm) Size: 3.2”/8.1 cm height 4.0”/10.2 cm diameter, unflanged base 6.2”/15.7 cm diameter, flanged base Construction: Flame retardant Noryl plastic Operating Temperature: 1451: 32°F to 120°F (0°C to 49°C) 5451: 32°F to 100°F (0°C to 38°C) Alarm Point, Thermal: 135°F (57.2°C) or 15°F/min. rate of rise Humidity Range: 10 – 93% RH non-condensing Air Velocity Rating: Ionization: 1200 fpm maximum Smoke Detector Spacing: For ion detectors on smooth ceilings (as defined in NFPA 72), spacing of 30 feet (900 sq. ft.) may be used as a guide. For thermal detectors on smooth ceilings (as defined in NFPA 72), spacing of 50 feet (2500 sq. ft.) may be used. Other spacing may be used depending on ceiling height, high air movements, and other conditions or response requirements. Specifications Junction Box Selection Guide* Single Gang 3.5” Octagon 4” Octagon 4” Square 50 mm 60 mm 75 mm B401/B401R No No No No Yes Yes No B401B/BR Yes Yes Yes Yes No No No B402B/B406B Yes Yes Yes Yes Yes Yes Yes B404B No No Yes Yes No No No * Box depth contingent on base and wire size. Refer to National Electrical Code of local applicable codes for appropriate recommendations. Relay Contact Ratings: Resistive or Inductive (60% power factor) load. Form A: 2.0A at 30 VAC/DC Form C: 0.6A at 110VDC, 2.0A at 30VDC 1.0A at 125VAC, 2.0A at 30VAC †Flangeless base †† Although B401B and B401 bases are capable of operating at 12 and 24 VDC, they cannot be used with the 5451 in 12 V applications.
(+) (–) (–) (+) (–) (–) (+) (+) EOL RESISTOR (+) (–) (–) (+) (–) OPTIONAL OPTIONAL RA400ZRA400Z OPTIONAL FAULT TOLERANT WIRING (+) (+) (–) (–) 111098 RED (+) (–) PURPLE PURPLE ALARM CIRCUIT (+) (–) 111098 EOL RESISTOR RA400Z (OPTIONAL) AUXILIARY CONTACTS COM N.C. N.O. AUXILIARY CONTACTS COM N.C. N.O. BLK EOL POWER SUPERVISION RELAY, A77-716B RA400Z (OPTIONAL) (+) (–) 2 4 1110987 ALARM CONTROL PANEL BLACKBLACK (+) (–) 2 4 1110987 BLACKBLACK
120 VAC 120 VAC
(OPTIONAL) AUXILIARY FORM C CONTACTS COM N.C. N.O. AUXILIARY FORM C CONTACTS COM N.C. N.O. RA400Z (OPTIONAL) SUPERVISION CIRCUIT ALARM CIRCUIT EOL RESISTOR (+) (–) 2 3 OPTIONAL NFPA CLASS “A” WIRING 2 3 AUXILIARY CONTACTS COM N.C. N.O. AUXILIARY CONTACTS COM N.C. N.O. B401 Series B402B B404B B406B
© 2005 System Sensor. The company reserves the right to change product specifications without notice. A05-0205-005•3/05•#1427
Ordering Information
Part No. Description 1451 Ionization detector. Must be mounted to one of the B40X series bases listed in Mounting Base Guide. 1451A Same as above, Canadian model 5451 Fixed heat detector with rate-of-rise. Alarm point at 57.2°C (135°F). Must be mounted to one of the 400 Series Bases listed in Mounting Base Guide. Accessories Description RA400Z Remote annunciator for 2- or 4-wire systems, 3–32V. Use with ion and photo plug-in detectors. Fits standard U.S. single gang electrical box. B401BH Sounder base with B401. Requires an external 24 VDC power supply. Mounts to 4” square electrical box (1 1/2” minimum depth). MOD400R Detector sensitivity test tool. (See below.) Use with most analog or digital multimeters. Satisfies requirement of NFPA 72 for sensitivity testing. (See below.) RMK400 Recessed mounting kit for use with B401 or B401R mounting bases only. (See below.) SMK400 Surface mounting kit provides for entry of surface wiring conduit. For use with B401 or B401R mounting bases only. EOLR-1 End of line relay for power supervision, 12/24 VDC, 4-wire only. RS14 Replacement insect screen for 1451. DUST45 Replacement protective dust cover for plug-in 400 Series. CRT400 Cover removal tool for 1451. M02-04-01 Test magnet. M02-09-00 Test magnet with 32 inch telescoping handle. XR5 Detector removal tool. Allows installation and/or removal of ion, photo, and thermal detector heads from base in high ceiling installations. XP-4 Extension pole for XR5. Comes in three 5 ft. sections. The MOD400R Field Sensitivity Test Module can be used with any standard DC voltmeter or multimeter to check the sensitivity range of System Sensor’s detectors (satisfies NFPA 72 require - ment for sensitivity testing). System Sensor’s Recessed Mounting Kit, RMK400, provides a simple installation solution where applications demand a lower profile smoke detector and reduces the depth of any 400 Series plug-in detector by almost an inch. A special metal mounting bracket secures the kit and the base to the junction box and ceiling panel. (For use with B401 and B401R bases only.) System Sensor Sales and Service System Sensor Headquarters
3825 Ohio Avenue
St. Charles, IL 60174 Ph: 800/SENSOR2 Fx: 630/377-6495 www.systemsensor.com System Sensor Canada Ph: 905.812.0767 Fx: 905.812.0771 System Sensor Europe Ph: 44.1403.891920 Fx: 44.1403.891921 System Sensor in China Ph: 86.29.8832.0119 Fx: 86.29.8832.5119 System Sensor in Singapore Ph: 65.6273.2230 Fx: 65.6273.2610 System Sensor – Far East Ph: 85.22.191.9003 Fx: 85.22.736.6580 System Sensor – Australia Ph: 613.54.281.142 Fx: 613.54.281.172 System Sensor – India Ph: 91.124.237.1770 x.2700 Fx: 91.124.237.3118 System Sensor – Russia Ph: 70.95.937.7982 Fx: 70.95.937.7983