Standard Digital (PHSC)
The Standard Digital Protectowire Heat Sensitive Cable (PHSC) linear heat detector can best be described as a continuous run of spot heat detectors. It is capable of sensing heat anywhere along its length and initiates an alarm once its fixed activation temperature is reached.
The Standard Digital (PHSC) Linear Heat Detector works in the following manner. Once the ambient temperature meets or exceeds its fixed temperature, the heat sensitive polymer weakens, which in turn allows the twisted spring steel conductors to make contact, which results in an electrical short that triggers an alarm signal.
The Standard Digital (PHSC) Linear Heat Detector is designed to be used on a compatible fire alarm control module or panel.
All Protectowire Linear Heat Detectors must be installed in accordance with applicable sections of NFPA 72 or as required by the local AHJ.
دتکتور حرارتی کابلی
دتکتور LHD
کابل دتکتور حرارتی
دتکتور LHD پروتکتووایر
دتکتور LHD برند PROTECTOWIRE مدل PHSC-XCR
Model Numbers, Temperature Ratings, and Approved Spacing
| FM Approval/ Max. Listed Spacing | UL/cUL Approval/ Max. Listed Spacing | Max. Ambient Temperature | Alarm Temperature | Model Number | Product Type |
|---|---|---|---|---|---|
| 30 ft. / 9.1m | 50 ft. / 15.2m | 115°F (46°C)* | 155°F (68°C) | PHSC-155-XCR | PHSC-EPC Multi-Purpose/Commercial & Industrial Applications |
| 30 ft. / 9.1m | 50 ft. / 15.2m | 130°F (54°C) | 172°F (78°C) | PHSC-172-XCR | |
| 30 ft. / 9.1m | 50 ft. / 15.2m | 150°F (66°C) | 190°F (88°C) | PHSC-190-XCR | |
| 25 ft. / 7.6m | 50 ft. / 15.2m | 175°F (79°C)* | 220°F (105°C) | PHSC-220-XCR | |
| 25 ft. / 7.6m | 50 ft. / 15.2m | 200°F (93°C) | 280°F (138°C) | PHSC-280-XCR | |
| See Note 1 | 50 ft. / 15.2m | 221°F (105°C) | 356°F (180°C) | PHSC-356-XCR |
* For Open Area Applications the recommended UL 521 maximum ambient temperature for PHSC-155 models is 100°F (38°C) and PHSC-220 models is 150°F (66°C).
Temperature shown in table are acceptable for UL Special Application use.
Note 1: FM Approved for special application use only.
PHSC-EPC – consists of a durable flame retardant vinyl outer jacket and is designed for interior commercial and industrial applications.
Features of this jacket include low moisture absorption, resistance to many common chemicals, and excellent flexibility at low temperatures.
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