Description
กล่องกันระเบิด 106mm
Junction box explosion proof 1 inch
Technical data
Type of Protection: Ex d IIA ,IIB T6
Conforming to : Standards IEC 60079-1 or UL 60079-1
Marking for test : Ex II2G
Degree of Protection : IP65 without seal O-ring
IP 66 with seal O-ring
acc.to IEC 60592
Ambient Temp. (Ta) : -20 C to+ 55 C
Type : JBB
Protection class for UL. :
Class I, Divition1 or 2 Group.C,D
Class II, Divition 1 or 2 Groups.E,F,G
Class III
Protection class for IEC : Zone1 and Zone 2
Applications:
The JBB junction boxes are designed for use in hazardous areas where flammable gases, dusts or flying fibers are present.
To rovide openings for taps, splices or pull box.
To enclose teminals, meters, relays or other electrical devices.
Use in indoor or outdoor in damp or wet locations or certain corrosive environments.
Features:
– High tensile strength copper free alumnium bodies with corrosion resistant.
– Rectangular shape, bolted cover,
– Designed to maximize the internal volume.
– Conduit openings drilled as per customer requirements.
– Provided with mounting lugs.
– Rated voltage max. 800V.AC. ( as per equipment specification)
Standard Materials:
– Body and cover – Copper-free aluminium
– Bolts – Stainless steel
– Hinge – Aluminium or Bronze
– Handle – Stainless steel
– Mounting plate – Steel
– Gasket – Neoprene
Standard Finishes:
– Copper-free aluminium – Epoxy-polyester powder
– Stainless steel – Natural
– Bronze – Epoxy-polyester powder
– Steel – Zinc electro-plated
Options :
Hinges and handle
Mounting plate
O-Ring gasket : Silicone -40 C to + 175
Drain fitting
Terminal blocks
M8 Earth stud bolts with terminal lug for external ground
Stopping plug for entries thread
Glass windows
1 O-Ring for raintight fit