| Operating Voltage | Dimensions Alarm Point |
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| Mounting base dependent | Diameter: 4.1 inches (104 mm) 190°F (88° C) Wiring |
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| Standby Current | Construction 12 to 18 gauge, twisted pair recommended Smoke Detector Spacing |
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| 重量 | Operating Temperature For detectors on smooth ceilings (as defined in be used. Other spacing may be used depending on |
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| Humidity Range | ceiling height, high air movements, and other condi- 10% to 93% RH noncondensing tions or response requirements. |
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| Base Model No. | Loop Type Current Limit Resistor Alarm Contact Type Nominal Voltage Current Draw on Alarm (mA) |
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| B401B | 2-wire* No — 24 VDC‡ 10–100** |
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| B401BR | 2-wire* Yes — 24 VDC‡ 22–62 |
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| B402B | 4-wire Yes Form A & C 24 VDC 14–39 |
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| B404B | 4-wire Yes Form A & C – Supy. 120 VAC 75 mA AC Max. |
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| B406B | 2-wire* No Form C 24 VDC 12–100** |
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| B401† | 2-wire* No — 24 VDC‡ 10–100** |
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| B401R† | 2-wire* Yes — 24 VDC‡ 18–62 |
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| Relay Contact Ratings: | Resistive or Inductive (60% power factor) load. |
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| Form A: | 2.0A at 30VAC/DC |
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| Form C: | 0.6A at 110VDC, 2.0A at 30VDC (–) (+) RED (+) PURPLE (–) (–) RELAY, A77-716B |
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| OPTIONAL | OPTIONAL SUPERVISION EOL POWER |
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| RA400Z | (–) (–) RA400Z (–) (–) (–) (–) 2 2 3 3 EOL RA400Z RA400Z |
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| RESISTOR | (OPTIONAL) (OPTIONAL) (+) (+) 1 1 4 4 (–) 3 3 RESISTOR 4 4 2 2 BLK PURPLE 5 5 (+) (+) 14 14 |
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| COM | COM EOL (+) 1 13 (+) 1 13 |
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| N.C. | N.C. (–) 12 N.O. 12 N.O. 11 11 10 AUXILIARY 10 AUXILIARY 8 9 CONTACTS 8 9 CONTACTS (+) (+) OPTIONAL FAULT TOLERANT WIRING ALARM CIRCUIT |
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| B401B Wiring Diagram | B402B Wiring Diagram (+) 120 VAC 120 VAC (–) (–) EOL RESISTOR 3 3 |
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| FORM C | FORM C |
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| CONTACTS | CONTACTS 13 N.C. 13 N.C. 12 N.O. 12 N.O. |
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| AUXILIARY | AUXILIARY |
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| SUPERVISION CIRCUIT | CONTACTS CONTACTS EOL RESISTOR (–) ALARM |
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| CONTROL | ALARM CIRCUIT OPTIONAL NFPA CLASS “A” WIRING PANEL |
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| B404B Wiring Diagram | B406B Wiring Diagram |
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| Part No. | Description Part No. Description |
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| point at 190°F (88°C). Must be mounted to | RA400Z Remote Annunciator for 2- or 4-wire systems, 3–32V. |
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| one of the B40X Series bases listed above | Use with most 400 Series plug-in detector bases. Fits (order separately). standard U.S. single gang electrical box. |
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| SMK400 | Surface Mounting Kit. Provides for entry of surface wiring conduit. Use with B401 or B401R mounting bases only. |
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| System Sensor Headquarters | System Sensor Canada System Sensor in China System Sensor – Far East System Sensor – India |
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| St. Charles, IL 60174 | Fx: 905.812.0771 Fx: 86.29.8832.5110 Fx: 85.22.736.6580 Fx: 91.124.637.3118 |
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| Ph: 800/SENSOR2 | System Sensor Europe System Sensor in Singapore System Sensor – Australia System Sensor – Russia |
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| Fx: 630/377-6495 | Ph: 44.1403.276500 Ph: 65.273.2230 Ph: 613.54.281.142 Ph: 70.95.937.7982 |
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| www.systemsensor.com | Fx: 44.1403.276501 Fx: 65.273.2610 Fx: 613.54.281.172 Fx: 70.95.937.7983 |
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