Honeywell Technologies GLC Series Roller Plunger Limit Switch, 2 NC, IP66, Die Cast Zinc Epoxy Coated Housing, 600V ac,

This limit switch provides mechanical position sensing for industrial and automation systems, using a roller plunger actuator to detect motion and trigger control circuits. Constructed with a robust die-cast zinc enclosure and sealed to IP66, it is suitable for demanding environments where ingress protection and repeatable switching are required. The device operates across a wide temperature range and employs slow-action contacts for reliable state changes in electrical control applications.

• Two normally closed contacts for safe circuit interruption
• Slow-action switching for controlled contact transition
• Ten million-cycle mechanical life for prolonged service
• Operates between −40°C and 85°C for a wide temperature range
• 13 N actuation force for predictable trigger response
• M20 conduit entry for secure cable termination

• Suitable for conveyor end-of-travel detection in factories
• Ideal for door position monitoring on industrial enclosures
• Used for limit sensing on automated assembly machinery
• Can be used for safety interlocks in material handling systems
• Suitable for position feedback in electrical switchgear panels

It can switch up to 10A and is rated for 600V AC and 250V DC, permitting use with common control and power circuits.

The die‑cast zinc housing offers mechanical resilience against impacts and supports long-term installation in industrial settings.

A 20mm conduit entry and M20 Terminal configuration allow standard conduit glands and secure cable routing.

The unit carries CCC, CE, CSA and UL approvals, aligning it with multiple regional regulatory requirements.

The switch has a length of 68.5mm, a width of 30.5mm and a depth of 26.35mm to suit confined mounting spaces.

UL/ UL listed for Canada

GLC and GLD limit switches are not safety devices. They should be not used as emergency stop or safety devices. They must not be used in applications where personal injury could occur as a result of product failure.

IEC/EN 60947-5-1
While IEC/EN 609747-1 covers general rules relating to low voltage switchgear and controlgear, IEC/EN 60947-5-1 specifically relates to control circuit devices and switching elements. The standard monitors the characteristics of devices, the electrical and mechanical requirements and the functional requirements.

EN50047
GLC and GLD limit switches are constructed from housing that meets EN50047. EN50047 applies to position switches with an automatic return actuator. Models that meet EN50047 feature standardised characteristics and dimensions (30.5 x 31.1 x 68 mm).

IP 66
A rating of IP 66 ensures that the limit switch units are protected against dust and low-pressure jets of water.

Sealed to NEMA 1, 4, 12, 13
NEMA 1 states that enclosures can be used indoor and offers a degree of protection against contact with the equipment enclosed.
NEMA 4 states that enclosures can be used either indoor or outdoor and provide protection against windblown rain and dust, hose directed water and splashing water.
NEMA 12 states that enclosures are intended for use indoors and offer some protection from dust, dirt, falling dirt and dripping non-corrosive liquids.
NEMA 13 states that enclosures are used indoors and offer a level of protection from oil, non-corrosive coolants, spraying water and dust.