Description
เครื่องตรวจจับความร้อนกันระเบิด 6VDC
Heat detector explosion proof
Technical data
Type of Protection: Ex d IIA T6
Conforming to : Standards IEC 60079-0 to 1 or UL 60079-1
Marking for test : Ex II2G
Degree of Protection : IP 65 acc.To IEC 60529
Temperature Rating : 135 F ( 57 C )
Rated Voltage : 6 , 12 , 24 V.DC./ 1A.
: 110 , 220V.AC. / 3A.
Type : EHD
Grill : Epoxy-polyester powder
Body and junction box : Copper-free aluminium
Protection class for UL. :
Class I, Divition1 or 2 Group.C,D
Class II, Divition1 or 2 Groups.E,F,G
Class III
Protection class for IEC : Zone1 and Zone 2
Applications:
The EHD heat detector is used for Fire Prorective Signaling Systems.The detector shall be, cither a single-circuit type,normally open.
The Detectors shall be rated for activation at either 135 F (57 C) or 194 F (90 C), and shall activate by means of a fixed temperature /rate-of-rise thermal sensor.
The rate-of-rise clemenr shall be activated by a rapid rise in temperature,approximately 15 F (8.3 C) per minute.
Features:
– Copper-free aluminium body, coated with epoxy-polyester powder for corrosion resistant.
– Body and junction box is theaded joint for easy wires connesction.
– Grill type and surface mounted.
– Through-feed 3/4 inch NPT standard conduit hub.
Standard Finishes:
– Body and Junction box – Epoxy-polyester powder
– Grill – Epoxy-polyester powder
Remark:
UL Protected Spacing – 10 Foot Celing
50 feet x 50 feet (15.24m x 15.2m)
