Ex ZS 73 S
- Product Code: Ex ZS 73 S
- Availability: In Stock
Ex ZS 73 S
Features/Options
- Ex zone 1 and 21
- Metal enclosure
- 2 contacts
- Wire length up to 2 x 50 m
- Push button or key release possible
- Wire pull and breakage detection
- Special version only for dust Ex zone 22
- N.B.: Please state required approvals for Russia, China and Brazil with your order!
Product image
Technical data
Standards | EN 60947-5-1, -5; EN 60079-0, EN 60079-1, EN 60079-31; EN ISO 13849-1 |
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Enclosure | aluminium die-cast, enamel finish; EEx ZS 73 NIRO: aluminium die-cast, hard-coated and enamelled |
Cover | glass-fibre reinforced, shock-proof thermoplastic, ultramid |
Switch insert | Ex 14 |
Degree of protection | Ex ZS 73 S VD: IP 65 to IEC/EN 60529 Ex ZS 73 S VS: IP 54 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 | cable H05VV-F |
B10d(10% Load) | Ex ZS 73 S: 2 million Ex ZS 73 S VD/VS: 200.000 |
TM | max. 20 years |
Cable section | 4 x 0.75 mm2 (incl. conductor ferrules) |
Cable length | 3 m |
Uimp | 4 kV |
Ui | 250 V |
Ithe | T6: 6 A, T5: 3 A |
Utilisation category | AC-15, DC-13 |
Ie/Ue | 6 A/250 VAC, 0.25 A/230 VDC |
Max. fuse rating | 6 A gL/gG D-fuse |
Ambient temperature | T6: –20 °C … +65 ºC; T5: –20 °C … +95 ºC |
Mechanical life | Ex ZS 73 S: > 1 million operations Ex ZS 73 S VD/VS: > 100.000 operations |
Max. wire length | 2 x 50 m |
Features | wire pull and breakage detection |
Ex certification | T80°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 |