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Ex zone 1 and 21
Metal enclosure
2 contacts
Mounting details toDIN EN 50 041
Wiring compartment
Adjustable-length rod lever with nylon roller
For light- and medium-heavy applications
Special version only for dust Ex zone 22 available
N.B.: Please state required approvals for Russia, China, Brazil and North America with your order!
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Standards
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EN 60947-5-1; EN 1088; EN 60079-0, EN 60079-1, EN 60079-7, EN 60079-31; EN ISO 13849-1 |
|---|---|
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Enclosure
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zinc die casting, enamelled |
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Switch insert
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Ex 95 |
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Degree of protection
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IP 67 to IEC/EN 60529 |
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Contact material
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silver |
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Switching system
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slow action, positive break NC contact 
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Switching elements
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change-over contact with double break Zb or 2 NC contacts, galvanically separated contact bridges |
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Connection
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M3 screw clamps |
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Cable section
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max. 1.5 mm2 (incl. conductor ferrules) |
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B10d (10% load)
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2 million |
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TM
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max. 20 years |
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Uimp
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4 kV |
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Ui
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250 V |
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Ithe
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6 A |
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Ie/Ue
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6 A/250 VAC;0,25 A/230 VDC |
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Utilisation category
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AC-15, DC-13 |
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Max. fuse rating
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6 A gL/gG D-fuse |
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Ambient temperature
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–20 °C … +60 oC |
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Mechanical life
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> 1 million operations |
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Switching frequency
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1800/h |
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Repeat accuracy
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± 0.1 mm |
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Contact gap
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max. 2 x 3.5 mm |
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Ex marking
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 II 2G Ex de IIC T6/T5
Gb, II 2D Ex tb IIIC T80°C/T95°C Db IECEx Ex de IIC T6/T5 Gb, Ex tb IIIC T80°C/T95°C Db |
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Approvals
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DMT 01 ATEX E 178, IECEx BVS 07.0014    
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| 防爆控制开关的规格参数 | |
|---|---|
| 材质 | 其它 |
| 安装方式 | 壁挂 |
| 电压 | 其它 |
| 适用场所 | IIA,IIB,IIC | 其他参数 |
| 产品型号 | Ex 355 4VSR |
| 防爆标志 | Ex II 2G Ex de IIC T6/T5 Gb；Ex II 2D Ex tb IIIC |
| 供货周期 | 5-10天 |
| 防爆合格证编号 | - |
| 尺寸图 | - |
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