Break glass call points for Hazardous Areas
A
KAC Alarm Company product story
Edited by the Engineeringtalk editorial team
Oct 10, 2000
The KSRZ1 family of call points from KAC is BASEEFA certified for use in Zone 1 environments, certified Ex sd IIC T6, enabling them to be used in Hazardous Areas
The KSRZ1 family of call points from KAC is BASEEFA certified for use in Zone 1 environments.
The products are certified Ex sd IIC T6, enabling them to be used in Hazardous Areas found in many industrial premises in a wide variety of industries.
The Group IIC gas group rating allows operation in some of the most severe environments where highly inflammable gases such as hydrogen, acetylene, carbon disulphide and ethyl nitrate can be expected to be present during normal operation.
Four models are available, ranging from a simple single pole changeover unit rated at 5A, 30VDC resistive, or 3A 30VDC inductive through three different versions of normally open, close on alarm units.
The normally open units are available fitted with an end-of-line resistor, a series resistor, or both, enabling compatibility with all popular control panels.
The enclosure, consists of a glass reinforced Polyamide 6 backbox fitted with two 20mm cable entries and the Modified Polyphenelene Oxide front cover provides the Special Protection "s" rating.
The switch mechanism is component certified "d" as a miniature flameproof enclosure.
For additional protection against accidental operation, the products can be fitted with a transparent hinged cover, which, if required, can be further secured with a cover seal that has to be broken to allow the cover to be raised.
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