Ex zone 1 and 21

Metal enclosure

2 contacts

Cable

Release by push button or key 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!

Standards	EN 60947-5-1, -5; EN 60079-0, EN 60079-1, EN 60079-31; EN ISO 13849-1
Enclosure	zinc die casting, enamelled
Cover	glass-fibre reinforced, shock-proof thermoplastic, ultramid
Switch insert	Ex 14
Degree of protection	Ex ZS 73 SR VD: IP 65 to IEC/EN 60529; Ex ZS 73 SR VS: IP 54 to IEC/EN 60529
Contact material	silver
Switching system	slow action, positive break NC contact
Switching elements	change-over contact with double break or 2 NC contacts
Connection	cable H05VV-F
Cable section	4 x 0.75mm2 (incl. conductor ferrules)
Cable length	3 m
B10d (10% load)	Ex ZS 73 SR: 2 million Ex ZS 73 SR VD/VS: 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 gL/gG D-fuse
Ambient temperature	T6: –20 °C … +65 ºC; T5: –20 °C … +95 ºC
Mechanical life	Ex ZS 73 SR: > 1 million operations; Ex ZS 73 SR VD/VS: > 100.000 operations
Ex marking	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