Bosch 8-Dec - Manual (Page 306)

298 | Detectors and Accessories | Accessories
PEH‑2 Heater
Features
▶ Automatic temperature control maintains a constant
temperature
▶ Made of durable ceramic to withstand weathering
▶ Horizontally adjustable radiator coordinates with the
angle of photoelectric detector optical modules
The PEH-2 Heater is a heating device that prevents frost
accumulation on photoelectric beam detector covers,
promoting stable performance.
Installation/Configuration Notes
Compatibility Information
Photoelectric Beam Detectors DS484Q, DS486Q, DS453Q, and
DS455Q
Parts Included
Quantity Component
2 Heaters (heating element, radiator, terminal)
4 Heater mounting screws
4 Terminal mounting screws
2 Stoppers
1 Installation Guide
Technical Specifications
Weight
Total Weight: 15 g (0.03 lb)
Environmental Considerations
Operating Temperature: -25°C to +60°C (-13°F to +140°F)
Relative Humidity (RH): Up to 95%
Surface Temperature: +55°C (131°F)
Power Requirements
Power Supply Voltage: 20 VDC to 28 VDC non-polarized
Current Draw: 350 mA maximum when power is ap-
plied 110 mA during operation (for
each heater)
Backup Power Requirements: 4 hours (440 mAh) minimum required
for UL Certificated Installations
Ordering Information
PEH‑2 Heater
Reduces the effects of frost, intense fog, cold,
and damp conditions on photoelectric beam
detectors. Shipped in packages of four (two for
transmitter and two for receiver).
PEH2
Bosch Security Systems B.V. www.boschsecurity.com
5