Ex safety switches with separate actuator Ex 355 AZ Features/Options Ex zone 1 and 21 Metal enclosure Mounting details to EN 50041 Wiring compartment Actuator can be repositioned in factory by 4 x 90° Special version only for dust Ex zone 22 available N.B.: Please state required approvals for Brazil with your order! Note The actuator is not included in the delivery of the switches Dimensions Technical data EN 60947-5-1; EN 60079-0, EN 60079-1, EN 60079-7, EN 60079-31; EN ISO 13849-1 zinc die-cast, enamel finish stainless steel 1.4301 Ex 95 IP 67 to IEC/EN 60529 silver slow action, positive break Standards Enclosure Actuator Switch insert Degree of protection Contact material Switching system Switching elements Connection Cable cross-section Cable entry B10d (10 % Load) TM Uimp Ui Ithe Ie/Ue Utilisation category Max. fuse rating Positive break travel Ambient temperature Mechanical life Ex marking Approvals NC contacts A change-over contact with double break Zb or 2 NC contacts, galvanically separated contact bridges screw connection terminals max. 1.5 mm² (incl. conductor ferrules) 3 x M20 x 1.5 for cable diameter 5 … 9 mm 2 million max. 20 years 4 kV 250 V 6A 6 A/250 VAC; 0.25 A/230 VDC AC-15; DC-13 6 A gG/gN fuse 8.3 mm –20 °C … +60 °C > 1 million operations L II 2G Ex de IIC T6, L II 2D IP67 T 80 °C IECEx Ex de IIC T6/T5 Gb, Ex tb IIIC T80 °C/T95 °C Db BVS 04 ATEX E 126 IECEx BVS 07.0013 f Errors and omissions excepted. Printed: 2014-11-24 Page 1/2 steute Schaltgeräte GmbH & Co. KG Brückenstraße 91 32584 Löhne, Germany Telefon +49 (0) 5731 745-0 Telefax +49 (0) 5731 745-200 info@steute.com www.steute.com Ex safety switches with separate actuator Ex 355 AZ Ordering details Slow action 1 NC/1 NO contact Type Ex 355 AZ 1Ö/1S Material no. 1179075 Slow action 2 NC contacts Type Ex 355 AZ 2Ö Material no. 1180261 Straight actuators Type Straight actuator AZ 335/355-B1 Straight actuator AZ 335/355-B1-2245 with rubber Material no. 1170536 1170537 Angled actuators Type Angled actuator AZ 335/355-B5 Angled actuator AZ 335/355-B5-Flex Material no. 1170538 1182126 Flexible actuators Type Flexible actuator AZ 335/355-B6 Flexible actuator AZ 335/355-B6-Flex Material no. 1170540 1182698 Lockout tag Type Lockout tag SZ 16/335 Material no. 1170535 Slot sealing plug Type Slot sealing plug AZ 335/355-1990 Material no. 1172965 Actuators Printed: 2014-11-24 Page 2/2 steute Schaltgeräte GmbH & Co. KG Brückenstraße 91 32584 Löhne, Germany Telefon +49 (0) 5731 745-0 Telefax +49 (0) 5731 745-200 info@steute.com www.steute.com