Ex ZS 73 SR
特征/选项
- Ex zone 1 and 21
- Metal enclosure
- 2 contacts
- Cable
- With latching and release by push button 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!
产品图片
技术参数
| Standards | EN 60947-5-1; EN 60079-0, EN 60079-1, EN 60079-31; EN ISO 13849-1 |
|---|---|
| Enclosure | aluminium die-cast, enamel finish |
| Cover | glass-fibre reinforced, shock-proof thermoplastic, ultramid |
| Switch insert | Ex 14 |
| Degree of protection | IP 65 to IEC/EN 60529 |
| Contact material | silver |
| Switching system | slow action, positive break NC contacts  |
| Switching elements | change-over contact with double break or 2 NC contacts |
| Connection | pre-wired cable H05VV-F |
| Cable section | 4 x 0.75 mm² (incl. conductor ferrules) |
| Cable length | 3 m |
| B10d (10 % Load) | Ex ZS 73 SR: 2 million Ex ZS 73 SR VD: 200.000 |
| TM | max. 20 years |
| Uimp | 4 kV |
| Ui | 250 V |
| Ithe | T6: 6 A, T5: 3 A |
| Ie/Ue | 6 A/250 VAC; 0.25 A/230 VDC |
| Utilisation category | AC-15; DC-13 |
| Max. fuse rating | 6 A gG/gN fuse |
| Ambient temperature | T6: –20 °C … +65 °C, T5: –20 °C … +95 °C |
| Mechanical life | Ex ZS 73 SR: > 1 million operations; Ex ZS 73 SR VD: > 100.000 operations |
| Ex marking |  II 2G Ex d IIC T6/T5 Gb, II 2D Ex tb IIICT80 °C/T95 °C Db IP65 IECEx Ex d IIC T6/T5 Gb, Ex tb IIIC T80 °C/T95 °C Db IP65 |
| Approvals | PTB 11 ATEX 1003 X IECEx PTB 07.0034 X    |
