Edwards Signaling E-PHD - Manual (Page 3)

P/N 3101208 • REV 03 • REB 28JAN13 3 / 4
Specifications
Communication line voltage Maximum 20 V peak-to-peak
Normal operating current 45 µA
Alarm current 45 µA
Smoke sensitivity range
UL
ULC
0.67 to 3.66%/ft. obscuration
0.87 to 3.70%/ft. obscuration
UL/ULC fixed-temp alarm rating 135°F (57°C)
Environmental compensation Automatic
Compatible bases Standard: B4U, B4U-LP
Relay: RB4U
Isolator: IB4U
Audible: SB4U
Maximum distance from ceiling
wall-mounted 12 in. (305 mm)
Storage temperature −4 to 140° F (−20 to 60° C)
Operating environment
Temperature
Humidity
32 to 120° F (0 to 49° C)
0 to 93% RH, noncondensing at
90° F (32° C)
Certification and compliance
Manufacturer [1] Edwards, A Division of UTC Fire & Security
Americas Corporation, Inc.
8985 Town Center Parkway, Bradenton, FL
34202, USA
Year of manufacture The first two digits of the date code (located
on the product identification label) are the
year of manufacture.
North American
standards Meets: UL 268, ULC-S529-02, UL 521,
ULC S530 M91
Follow: NFPA 72, and CAN/ULC S524
[1] For warranty and return see “Contact information” below
Contact information
For contact information, see our Web site:
www.edwardssignaling.com.