Emergency Push Button Switch
11 กุมภาพันธ์ 2564
ผู้ชม 482 ผู้ชม
รายละเอียด:
Technical data
Type of Protection: Ex d IIA T6
Conforming to : Standards IEC 60079-1 or UL 60079-0/1
Marking for test : Ex II2G
Degree of Protection: IP65/66 acc.To IEC 60529
Ambient Temp. (Ta) : -20 C to+ 55 C
Type : PEM
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 : Zone1and Zone 2
Options : Silicone rubble for outdoor IP66 ( Type S )
Conduit hub : 3/4" NPT.
Applications
The PEM emergency push buttons are used
- for hazardous areas due to the presence of flammable gases or vapors, combustible dusts or ignitible fibers.
- as emergency or normal "STOP" switch for conveyor lines,cranes, unloaders and similar equipment.
- in the control circuit of magnetic motor starters to shut down motor-driven conveyors of other machinery
- for indoor and corrosive locations.
Features
- Compact rectangular shape enclosure.
- Two mounting lugs.
- Large mushroom-head operating button.
- Contact rating 3A. 220V.AC. (10A. Rated thermal current).
- 3/4" inch NPT, dead-end or through-feed conduit hub
- Smooth and well-rounded conduit stop in each hub to protect conductor insulation.
Standard Materials
- Body and cover
- Copper-free aluminium
- Bolts and operating shaft
- Stainless steel
Standard Finishes
- Copper-free aluminium
- Epoxy-polyester powder
- Stainless steel
- Natural
Options
- Silicone rubber on cover pushbutton Type S for IP66
- 1/2 inch NPT size conduit hub.
