Protectowire 2000 FireSystem Dokumentacja Pobierz pdf (Strona 29)

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Top of EB-91A

Bottom of EB-91A

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Class A (NFPA Style D)/Class B (NFPA Style A and B)

Voltage Standby

22VDC nominal, power limited

Current to insure alarm 15mA (1K ohm loop resistance minimum)

Short circuit current 35mA

Supervision current 4.5mA

End-of-line resistor ELR-4.7K, 1/2 Watt (Class B only)

Maximum feed cable

resistance

100 ohms. Feed cable may consist of any combination of

PROTECTOWIRE or copper feed

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- Up to 5,000 ft. of PROTECTOWIRE per circuit.

- Any combination of normally open contact devices.

- Up to (30) Two-Wire Smoke Detectors per circuit.

- Smoke Detectors NS-series #SLR-24, #SIJ-24, #SLR-24H

- Detector Identifier - HD-3 Base Identifier - HB-3

Note: Smoke detectors shall not be employed on intrinsic safe detection circuits.

Power Limited wiring must be isolated from Non-Power Limited Wiring.

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Protectowire 2000 FireSystem Dokumentacja Strona 29