Explosion-proof safety switches 630 A
The 630 A safety switches are designed to switch on or off appliances and equipment that are located in a hazardous area. The equipment and appliances are switched on or off by means of a switch that is located on the switch body.
The switches are characterised by simple installation and easy access to the contact terminals. The version of safety switches up to 630 A with housing made of polyamide or glass fibre reinforced polyester provides a high degree of protection IP66.
On request, they can be fitted with moulded plastic latches or brass flanges.
Technical specifications
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Explosion-proof safety switches 630 A |
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Mark |
II 2 G Ex de IIC T6, T5 bzw. T4 II 2 D IP66 T80 °C/T95 °C |
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EU certificate |
PTB 99 ATEX 1057 |
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Certificate of Conformity |
IECEx BKI 06.0006 |
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Mark |
Ex de ia/ib [ia/ib] IIC T6, T5 или T4 |
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Permissible ambient temperature |
-20°C to +40°C |
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Nominal voltage |
maximum up to 690 V |
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Rated current |
max. 630 A |
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Frequency |
50/60 Hz |
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Rated switching on/off capacity AC-3 |
230 V Ue/ Ie 630 A |
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Input fuse |
400 V AC: 800 A gL |
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Cable coupling/hole in the housing |
M20 (d = 8…17 mm) see ordering data |
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Protection class |
I |
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Degree of protection according to EN 60529 |
IP54 (IP65 option) |
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Enclosure material |
aluminium, polyester powder coating |
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Case colour |
grey (RAL 7032) |
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Auxiliary contact |
1 x NO switching on – lagging; switching off – advance |
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Locking device |
может быть заблокирован в положении ВЫКЛ с помощью 3 коммерчески доступных висячих замков (ø макс. 6 мм) |
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Ordering data |
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| 3-pin safety switch 630 A with cable glands 4 x M80 / 1 x M25 | EXKO 731713 V0001 |
| 3-pin emergency switch 630 A with cable glands 4 x M80 / 1 x M25 | EXKO 731723 V0001 |
Optional explosion-protected version with auxiliary contacts.




