System Sensor 4451HT

C o n v e n t i o n a l e t e C t i o n 190 Detector Overview solid state thermistor sensing 88 fixed temperature against back pressure standby current tamper resistant feature retardant Noryl plastic field viewing angle of the alarm LEDs plug in of the head to base screws for easy wiring listed for 50 ft spacing warranty 4451HT fixed intermediate temperature thermal detector is designed to meet stringent performance requirements of industrial and municipal fire detection systems 4451HT thermal detector contains a unique dual thermistor sensing circuit provide both maximum performance and solid state reliability An RA400Z LED annunciator is available as an optional accessory Voltage base dependent chart below Current microamps ounces 150 g Base Selection Guide 4.1 inches 104 mm inches 53 mm retardant noryl plastic Temperature to 150 0 to 66 Range to 93 RH noncondensing Point 88 C to 18 gauge twisted pair recommended Detector Spacing detectors on smooth ceilings as defined in 72 spacing of 50 feet 2500 sq ft may used Other spacing may be used depending on height high air movements and other condi or response requirements A C A C Supy C Voltage VDC VDC VDC VAC VDC VDC VDC mA AC Max Model No Type Limit Resistor Contact Type Draw on Alarm mA contingent on panel compatibility Must be limited by control panel base B401B and B401 bases are capable of 12 24 VDC operation they cannot be used with the 4451HT in 12V applications Contact Ratings A C or Inductive 60 power factor load at 30VAC DC at 110VDC 2.0A at 30VDC at 125VAC 2.0A at 30VAC Guide FAULT TOLERANT WIRING Wiring Diagram VAC VAC C CIRCUIT C CIRCUIT Wiring Diagram Information No temperature thermal detector with alarm at 190 88 Must be mounted to of the B40X Series bases listed above separately BLK CIRCUIT Wiring Diagram NFPA CLASS WIRING Wiring Diagram No as above Canadian model Annunciator for 2 or 4 wire systems 3 with most 400 Series plug in detector bases Fits U S single gang electrical box Mounting Kit Provides for entry of surface conduit Use with B401 or B401R mounting only Sensor Sales and Service Sensor Headquarters Ohio Avenue Charles IL 60174 800 SENSOR2 630 377 6495 Sensor Canada 905.812.0767 905.812.0771 Sensor Europe 44.1403.276500 44.1403.276501 Sensor in China 86.29.8832.0119 86.29.8832.5110 Sensor in Singapore 65.273.2230 65.273.2610 Sensor Far East 85.22.191.9003 85.22.736.6580 Sensor Australia 613.54.281.142 613.54.281.172 Sensor India 91.124.637.1770 x 2700 91.124.637.3118 Sensor Russia 70.95.937.7982 70.95.937.7983 2004 System Sensor The company reserves the right to change product specifications without notice