The WR4072 manual call points have been developed to
provide a manual alarm interface to conventional fire
alarm systems. They have been engineered to provide a
high degree of protection against the elements. High
quality switching components and materials combine to
provide excellent reliability and safety. The call point is
fitted with a 470 ohm internal resistor to facilitate
usage on monitored systems.
The call point is IP67 rated when correctly mounted and
sealed within its surface mounting back box. The back
box features two threaded cable entry holes to simplify
installation. One of which is already fitted with a
removable stopper.
Functional testing of the call points is easily achieved
through the use of a specialist test key (provided) which
is simply pushed into the bottom of the unit to activate
the switch.
• Safe and reliable
• LPCB certified to BS5839 :part 2 : 1983
• IP67 rated
• Terminals for up to 2.5mm2 conductors
• Complementary range of accessories
• Intrinsically safe option
mechanical
Material Call point - Polycarbonate ABS
plastic/polyphenylene oxide
(NORYL SE100)
Back box - 15% glass reinforced
nylon 6
Flammability UL94-HB
electrical
Connection drawing for WR4072/GS-470