Data Sheet
Product data sheet
Characteristics
XALK178W3B140E
Main
Range of product Harmony XALK
Product or component type Complete control station
Device short name XALK
Product destination For XB5 Ø 22 mm control and signalling units
Control station application Emergency switching off function
Emergency stop function
Colour of base of enclosure Light grey (RAL 7035)
Colour of cover Yellow (RAL 1021)
Material Polycarbonate
Operator profile 1 mushroom head push-button
Operators description Red unmarked 1 NO + 1 NC
Reset Turn to release
Control station composition 1 mushroom head Ø 40 mm push-button, red 1 NO + 1 NC
Contact operation Slow-break
Complementary
Cable entry 1 knock-out for cable entry 0…14mm
2 knock-outs for Pg 13 cable gland and ISO M20 0…12mm
Resistance to high pressure washer 7000000Pa at 55°C, distance : 0.1 m
Positive opening With conforming to EN/IEC 60947-5-1 appendix K
Operating travel 1.5Mm (NC changing electrical state)
4.3Mm (total travel)
Operating force 44N
Mechanical durability 300000Cycles
Connections - terminals Screw clamp terminals, <= 2 x 1.5 mm² with cable end conforming-
to EN/IEC 60947-1
Screw clamp terminals, >= 1 x 0.22 mm² without cable end conforming-
to EN/IEC 60947-1
Tightening torque 0.8…1.2N.M conforming to EN/IEC 60947-1
Shape of screw head Cross compatible with Philips no 1 screwdriver
Cross compatible with pozidriv No 1 screwdriver
Slotted compatible with flat Ø 4 mm screwdriver
Slotted compatible with flat Ø 5.5 mm screwdriver
Contacts material Silver alloy (Ag/Ni)
Short-circuit protection 10A cartridge fuse type gG conforming to EN/IEC 60947-5-1
[Ith] conventional free air thermal current 10A conforming to EN/IEC 60947-5-1
[Ui] rated insulation voltage 600V (pollution degree 3) conforming to EN/IEC 60947-1
[Uimp] rated impulse withstand voltage 6KV EN/IEC 60947-1
The information provided in this documentation contains general descriptions and/or technical characteristics of the performance of the products contained herein.
This documentation is not intended as a substitute for and is not to be used for determining suitability or reliability of these products for specific user applications.
It is the duty of any such user or integrator to perform the appropriate and complete risk analysis, evaluation and testing of the products with respect to the relevant specific application or use thereof.
Neither Schneider Electric Industries SAS nor any of its affiliates or subsidiaries shall be responsible or liable for misuse of the information contained herein.
Mar 11, 2020
1