EX ZS 71 系列：

EX ZS 71 Z 1O/1S EX ZS 71 WZ 1O/1S

EX ZS 71 1O/1S EX ZS 71 2O

EX ZS 71 1O/1S VD EX ZS 71 1O/1S WVD

Ex zone 1 and 21

2 contacts

Small design

Wire length up to 35 m

Release by push button (VD)

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

Wire pull and breakage detection

Watertight collar W for protection against penetration of dirt available

Position indicator A available

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, length 3m
Cable section	4 x 0.75 mm² (incl. conductor ferrules)
B_10d (10% Load)	Ex ZS 71: 2 million Ex ZS 71 VD/VS: 200.000
T_M	max. 20 years
U_imp	4 kV
U_i	250 V
I_the	T6: 6 A, T5: 3 A
Utilisation category	AC-15, DC-13
I_e/U_e	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	> 1 million operations
Max. wire length	35 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

常州市凯昆自动化设备有限公司

steute防爆拉线开关：EX ZS 71 1O/1S VD