Description
เบรกเกอร์+เต้ารับ กันระเบิด 20A
Explosion proof breaker + receptacle 20A
Technical data
Type of Protection: Ex d IIA T6
Conforming to : Standards IEC 60079-0 /1 or UL 60079-1
Marking for test : Ex II2G
Degree of Protection : IP66 acc.To IEC 60529 ERCB
Rated Voltage : up to 400 VRated
current : up to 32 A.
Electrical rating range : 16 – 32A. 220 – 380 V.AC.
Type : ERCB , RPJ
Protection class for UL. :
Class I, Divition1 or 2 Group.C,D
Class II, Divition 1 or 2 Groups.E,F,G
Class III EPJ
Protection class for IEC : Zone1 and Zone 2
Applications :
The ERCB receptacles interlocked with circuit breaders and EPG plugs are suitable for
Hazardous locations due to the presence of flammable hazardous gases or vapors, combustible custs or ignitible fibers.
Installation in petroleum refineries, chemical plants processing of grain, flour of starch, and storage areas where hazardous substances
are handled.
Damp, wet or corrosive locations.
Supply power to portable electrical equipments such as lighting fixtures, conveyors, motors or pumps.
Area where heavy duty receptacles and plugs are necessary.
Features:
– ERCB receptacles: housing with hinge cover four mounting lugs,
– mounting lugs, housing provided with vertical feed-thru conduit hub NPT thread, O-Ring gasket is provided at the flange of housing to protect against the ingress of moisture and dust or liguid, solderless lugs are provided for line connections, and receptacle is prewired to the loadside of breaker, spring load-cover, to protect dusts when the plug is not in sue, long grounding pole for maximum safety.
– EPJ plugs: cable clamp provide secure and non-slip termination,
– neoprene bushing and neoprene gasket for water-resistant.
– The key rib is provided in receptacle to engage the key slot of plug permitting entrance in only one position.
– Safety Lock-Knob mechanism for the plug can not be inserted or removed unless the switch is in ‘OFF’ position.
– To operate, pull up the Lock-Knob and fully inserted the plug into receptacle before the switch can be turn-on. Turn-off switch before pull up the Lock-Knob, then plug can be removed.
Standard Finishes:
– Copper-free aluminium – Epoxy-polyester powder
– Brass – Silver plated
– Stainless steel – Natural
Standard Materials:
Receptacle housing, cover and plug exteriors – Copper-free aluminium
Insulation – Bakelite
Solid split-type contact – Brass
Machanism and bolts – Stainless steel
Caution:
To reduce the resk fo ignition of hazardous atmospheres, do not use receptacles or plugs in class II, Groups F locations that contain electrically conductive dusts ( most coal dusts are not electrically conductive ).
