Leading Manufacturer of Safety Interlock Switches and Machine Guard Safety Switch Devices for Automation and Process Safety

Miniature Belt Alignment Switch – Explosion Proof, 22mm Diameter with 70mm Length Roller (HLM-CBA)

IDEM’s die-cast miniature conveyor belt alignment switches are designed for use on the running edge of conveyor belts. They are suitable for both indoor and outdoor use and can withstand extreme weather conditions. Unlike the larger belt alignment switches, the mini duty versions only feature a stop signal. Choice between a plastic and stainless steel roller.


  • Body Material: Die-Cast Metal Body / Stainless Steel or Plastic Roller
  • Ingress Protection: IP67
  • Contacts: 2-Pole or 4-Pole Ex Rated Contact Blocks
  • Zones: 1, 21, 2, 22
  • Ex Marking: Exd IIC T6 (-20 ≤ Ta ≤ +60C) Gb / Ex tb IIIC T85C (-20 ≤ Ta ≤ +60C) Db
Part No. Part Description
174413 Belt Switch Plastic Roller 1NC 1NO 3m Pre-Wired
174414 Belt Switch Plastic Roller 2NC 3m Pre-Wired
174415 Belt Switch Plastic Roller 2NC 2NO 3m Pre-Wired
174463 Belt Switch Stainless Steel Roller 1NC 1NO 3m Pre-Wired
174464 Belt Switch Stainless Steel Roller 2NC 3m Pre-Wired
174465 Belt Switch Stainless Steel Roller 2NC 2NO 3m Pre-Wired

Important Note
Comes with 3m of pre-wired cable (longer available on request).

Technical Data
ApprovalsIECEx, cULus on LS-Ex Internal Contact Block
TechnologyBelt Alignment Switch
Housing MaterialPainted Die-Cast Aluminum
Roller MaterialPolyester or 316 Grade Stainless Steel
Enclosure ProtectionIP67
Typical operating parameters0.4Nm Torque 15-30 degrees contact changeover
Switching frequency (LS-Ex)1.0 Hz maximum
Mechanical Life Expectancy (LS-Ex)1,000,000 switches
Electrical Life Expectancy (LS-Ex)Tested to 1,000,000 cycles at 24V. 0.2A

Ex Classification
ATEX Zones 1,21,2,22
II 2G Ex mb IIC T6 Gb
II 2D Ex mb IIIC T80C Db