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Ex zone 1 and 21
Metal enclosure
2 contacts
Cable
Release by push button or key possible
Belt-alignment roller made of stainless steel 1.4104
Special version only for dust Ex zone 22 available
N.B.: Please state required approvals for Russia, China and Brazil with your order!
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Standards
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EN 60947-5-1, -5; EN 60079-0, EN 60079-1, EN 60079-31; EN ISO 13849-1 |
|---|---|
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Enclosure
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zinc die casting, enamelled |
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Cover
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glass-fibre reinforced, shock-proof thermoplastic, ultramid |
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Switch insert
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Ex 14 |
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Degree of protection
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Ex ZS 73 SR VD: IP 65 to IEC/EN 60529; Ex ZS 73 SR VS: IP 54 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 or 2 NC contacts |
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Connection
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cable H05VV-F |
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Cable section
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4 x 0.75mm2 (incl. conductor ferrules) |
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Cable length
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3 m |
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B10d (10% load)
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Ex ZS 73 SR: 2 million Ex ZS 73 SR VD/VS: 200.000 |
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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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T6: 6 A; T5: 3 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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T6: –20 °C … +65 oC; T5: –20 °C … +95 oC |
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Mechanical life
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Ex ZS 73 SR: > 1 million operations; Ex ZS 73 SR VD/VS: > 100.000 operations |
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Ex marking
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 II 2G Ex d IIC T6/T5 Gb, II 2D Ex tb IIIC T80°C/T95°C Db IP65 IECEx Ex d IIC T6/T5 Gb, Ex tb IIIC T80°C/T95°C Db IP65 |
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Approvals
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PTB 11 ATEX 1003 X, IECEx PTB 07.0034 X   
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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 ZS 73 SR |
| 防爆标志 | Ex II 2G Ex d 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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