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4 Pelco Manual C1446M-B (7/98)
2.0 DESCRIPTION
The EH4712DB and EH4718DB environmental enclosures are constructed of alu-
minum. The enclosures are installed by attaching the top of the unit to a mounting
surface. A door in the bottom drops open for access during installation or to make
camera/lens adjustments.
You can install cameras with either fixed focal length lenses or motorized zoom
lenses. All models have an adjustable camera sled to accommodate different sizes
of cameras and lenses.
2.1 MODELS
EH4712DB Environmental enclosure with bottom-opening door. 12-inch
(30.48 cm) length.
EH4712DB-1 EH4712DB with 120 VAC thermostatically controlled heater
and blower.
EH4712DB-2 EH4712 DB with 24 VAC thermostatically controlled heater and
blower.
EH4712DB-3 EH4712DB with 230 VAC thermostatically controlled heater
and blower.
EH4718DB Environmental enclosure with bottom-opening door. 18-inch
(45.72 cm) length.
EH4718DB-1 EH4718DB with 120 VAC thermostatically controlled heater
and blower.
EH4718DB-2 EH4718DB with 24 VAC thermostatically controlled heater and
blower.
EH4718DB-3 EH4718DB with 230 VAC thermostatically controlled heater
and blower.
2.2 CERTIFICATIONS
The products identified below have been tested and certified for agency compli-
ance as noted.
Agency Compliance Certification
Model CE FCC UL CSA/cUL
EH4712DB X
EH4712DB-1
EH4712DB-2 X
EH4712DB-3 X
EH4718DB X
EH4718DB-1
EH4718DB-2 X
EH4718DB-3 X
Applicable CE, FCC, UL, and CSA/cUL directives/standards:
• 93/68/EEC–CE Mark Directive
89/336/EEC, 92/31/EEC–Electromagnetic Compatibility (EMC) Directives
EN 55022: 1984 Class B–Radio-frequency emissions limits
EN 50082-2: 1992–Immunity standard
IEC 801-2: 1984–ESD immunity
IEC 801-3: 1984–Radiated field immunity
IEC 801-4: 1988–Electrical transients
Additional applicable standards:
• NEMA Type 3R
• IP 32