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

Belt Alignment Switch – Explosion Proof, Heavy Duty, 35mm Diameter with 120mm Length Roller (501021)

IDEM’s stainless steel heavy duty 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.

  • Body Material: Stainless Steel 316
  • Ingress Protection: IP69K
  • 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
501021Belt Switch 35 x 120mm Roller EX 3m pre-wired
501021-5MBelt Switch 35 x 120mm Roller EX 5m pre-wired
501021-10MBelt Switch 35 x 120mm Roller EX 10m pre-wired
501021-15MBelt Switch 35 x 120mm Roller EX 15m pre-wired
501021-20MBelt Switch 35 x 120mm Roller EX 20m 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 Material316 Grade Stainless Steel
Roller Material316 Grade Stainless Steel
Enclosure Protection IP67, IP69K (NEMA 6)
Torque settingsMounting M5 4.0 Nm Lid T20 Torx M4 1.5 Nm Terminals 1.0 Nm
Switching rangeWARNING signal 10 to 18 degrees / STOP signal 15 to 35 degrees
Operating Torque range (adjustable)Medium Duty 1.8Nm to 2.8Nm / Heavy Duty 3.0Nm to 5.0Nm
Maximum tilt angle (mounting angle)30 degrees
Maximum Deflection65 degrees
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