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

Explosion Proof Safety Limit Switch with Roller Plunger (HLM-SS-RP-EX)

The HLM-SS-RP-EX has been designed to be mounted for position sensing of moving applications e.g. guard doors, conveyors, machine beds, elevators in atmospheres where the potential for explosion exists.
The stainless steel 316 body can survive chemical and detergent washdowns, suitable for outdoor use in both hot and cold climates.

  • 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
175063HLM-SS Roller Plunger EX ‘1NC 1NO’- Stainless Steel
175063-5MHLM-SS Roller Plunger EX ‘1NC 1NO’ **5M CABLE** – Stainless Steel
175064HLM-SS Roller Plunger EX ‘2NC’- Stainless Steel
175065HLM-SS Roller Plunger EX ‘2NC 2NO’- Stainless Steel

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

Technical Data
ApprovalsIECEx, cULus on LS-Ex Internal Contact Block
TechnologyLimit Switch, Roller Plunger
Housing Material 316 Grade Stainless Steel
Positive Opening Operation18N
Operating Temperature-25 ... +80 °C
Enclosure ProtectionIP67, IP69K (NEMA 6)
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