News - 4 years ago
EX ZS 73 SR
- Ex zone 1 and 21
- Metal enclosure
- 2 contacts
- Cable
- Belt-alignment roller made of stainless steel
- Special version only for dust Ex zone 22 available
- Attention: Please state required international approvals with your order!
Technical data
| Applied standards | EN 60947-5-1, EN 60947-5-5, EN 60079-0, EN 60079-1, EN 60079-31, EN ISO 13849-1 |
|---|---|
| Enclosure | aluminium die-cast, enamel finish |
| Cover | thermoplastic, glass-fibre reinforced, impact resistant, self-extinguishing UL 94 V-0 |
| Degree of protection | IP 65 to IEC/EN 60529 |
| B10d (10 % load) | 2 million |
| TM | max. 20 years |
| Switch insert | 1 x Ex 14 |
| Contact material | silver |
| Switching system | slow action, positive break NC contacts  |
| Switching elements | 1 NC/1 NO contact or 2 NC contacts, type Zb |
| Connection | pre-wired cable H05VV-F |
| Cable cross-section | 4 x 0.75 mm² (incl. conductor ferrules) |
| Cable length | 3 m |
|---|---|
| Rated impulse withstand voltage Uimp | 4 kV |
| Rated insulation voltage Ui | 250 V |
| Conventional thermal current Ithe | T6: 6 A, T5: 3 A |
| Rated operating current/voltage Ie/Ue | 6 A/250 VAC; 0.25 A/230 VDC |
| Utilisation category | AC-15; DC-13 |
| Short-circuit protection | 6 A gG/gN fuse |
| Ambient temperature | T6: –20 °C … +65 °C, T5: –20 °C … +75 °C, +90 °C with max. 3 A |
| Mechanical life | > 1 million operations |
| Impact energy | max. 7 J |
| Ex marking |  II 2G Ex d IIC T6/T5 Gb, II 2D Ex tb IIICT80 °C/T95 °C Db IECEx Ex d IIC T6/T5 Gb, Ex tb IIIC T80 °C/T95 °C Db |
| Approvals | PTB 11 ATEX 1003 X IECEx PTB 07.0034 X     |
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