Position switches to EN 50047 Z/T 235 Z/T 255 Technical data IEC/EN 60947-5-1 BG-GS-ET-15 Design: fixings to EN 50047 Enclosure: Z/T 235: zinc die-cast, enamel finish Z/T 255: aluminium die-cast, enamel finish Protection class: IP 67 to EN 60529 silver Contact material: Contact type: change-over contact with double break, type Zb or 2 NC contacts, with galvanically separated contact bridges Switching system: A IEC 60947-5-1 slow or snap action, NC contacts with positive break Termination: screw terminals Cable section: max. 2.5 mm2, min. 0.75 mm2 (incl. conductor ferrules) Cable entry: Z/T 235: 1 x M20 x 1.5 Z/T 255: 3 x M20 x 1.5 6 kV Uimp: Ui: 500 V 10 A Ithe: Utilisation category: AC-15, DC-13 Ie/Ue: 4 A / 230 VAC 1 A / 24 VDC Max. industrial fuse rating: 6 A gL/gG D-fuse ­ 30 °C ... + 80 ºC Ambient temperature: Mechanical life: 20 million operations Switching frequency: max. 5000/h Bounce duration: snap action: < 3 ms; slow action: in accordance with actuating speed Switchover time: snap action: > 5.5 ms; slow action: in accordance with actuating speed Standards: 42 22 20 20,1 6,1 8,5 4,3 63,5 63,5 13,5 30 19,5 22 30 8,5 4 20 20 52 63 13,5 30 · Metal enclosure · Available with 2 positive break NC contacts · Snap action with constant contact pressure up to switching point · Slow action available with overlapping or staggered contacts · Wiring compartment · 1 cable entry M20 x 1.5 · Wide range of alternative actuators · Actuator heads can be repositioned by 4 x 90° · Angle of roller lever adjustable in 10° steps · Good resistance to oil and petroleum spirit · Metal roller available on request · Mounting details to EN 50047 · 3 cable entries M20 x 1.5 Approvals Approvals DC Ordering details 25-z---- No. Replace Description DC Connector 13 14 22 11 21 12 22 13 23 14 24 No. Replace ID M20 NPT ST 2310 1297 Description Cut clamp Cable entry M20 Cable entry NPT 1/2" Connector M12 (A-Coding) (B-Coding) Enclosure with transversely slotted mounting holes Roller lever 7H for safety duties Gold-plated contacts 21 Z Snap action A T Slow action A For the appropriate actuator: see as of page 1-36 3 Slim design 5 Large design 02 2 NC 11 1 NO / 1 NC 20 2 NO h Slow action with staggered contacts ü with overlapping contacts 1234 1234 1234 2138 1637 1-5