.steute Ex ZS 73 S防爆拉线开关防爆控制开关按钮

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北京德兰系统控制技术有限公司

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Ex zone 1 and 21

Metal enclosure

2 contacts

Wire length up to 2 x 100 m

Release by push button (VD)

Available without unlocking mechanism (per DIN EN 60947-5-1)

Wire pull and breakage detection

Special version only for dust Ex zone 22

N.B.: Please state required approvals for Russia, China, Brazil and North America with your order!

Standards	EN 60947-5-1, -5; 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	cable H05VV-F
Cable section	4 x 0.75 mm² (incl. conductor ferrules)
Cable length	3 m
B_10d (10% Load)	Ex ZS 73 S: 2 million Ex ZS 73 S VD: 200.000
T_M	max. 20 years
^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 … +90 oC
Mechanical life	Ex ZS 73 S: > 1 million operations Ex ZS 73 S VD: > 100.000 operations
Max. wire length	2 x 100 m
Features	wire pull and breakage detection
Ex certification	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
Approvals	PTB 11 ATEX 1003 X, IECEx PTB 07.0034 X