Description
กล่องกันระเบิด 442 mm
Junction box explosion proof 4 inch 442 mm
Technical data
For IEC.60079-1 / 15 Standard Zone 1 and Zone 2
Type of Protection: Ex d IIA T6
Conforming to : Standards IEC 60079-1/ 15 or UL 60079-1/15
Marking for test : Ex II2G
Degree of Protection : IP54 without seal O-ring
IP 66 with seal O-ring
acc.to IEC 60592
Ambient Temp. (Ta) : -20 C to+ 55 C
Type : JBE
Protection class for UL. :
Class I, Divition 2 Group.B,C,D
Class II, Divition 1 or 2 Groups.E,F,G
Class III
Protection class for IEC : Zone1 and Zone 2
Explosion Category:
– UL. IIA T6 for Zone 2 ( UL.60079-15 )
– IEC IIA T6 for DUST Zone 1 (IEC 60097-1)
– IEC IIA T6 for Zone 2 ( IEC 60079-15)
Applications:
JBE boxes are constructed according to the increased safety explosionproof type. These boxes mainly serve as the junction boxes for cable connection, or pull and splice boxes.
The enclosure may also serve to house electrical component such as switches, circuit breakers, contactors, control units, relays, terminal blocks, measuring and indicating devices.
Features:
– Copper-free aluminium construction and coated with expoxy-polyester powder for corrosion resistant.
– Stainless steel bolts.
– Optional silicone gasket for excellence waterproof.
– Optional steel plate provided for equipment mounting.
– Optional provided with terminal blocks for 1.5 Squmm. To 40 Squmm. Or copper bus bar for junction box.
– Openings proviede for direct cable or conduit entries in NPT or ISO threads with optinal stopping plugs for unused thread.
– Optional provided with M8 earth stud bolt.
– Optional provided with glass windows.
Standard Materials:
– Body and cover – Copper-free aluminium alloy with epoxy-polyester power
– Seal gasket – Silicone -40 C to + 175 C –
– Lid screws – Stainless steel
Option:
– M8 Earth stud bolts with terminal lug for external ground
– Stopping plug for entries thread
– Glass windows
