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Honeywell Miniature Snap Action Switch: Roller Lever Actuator, 1NO/1NC - Roller-Lever Snap-Action Switches
HoneywellRoller-Lever Snap-Action Switches

Honeywell Miniature Snap Action Switch: Roller Lever Actuator, 1NO/1NC

The HONEYWELL Miniature Snap Action Switch with Roller Lever Actuator (MPN 311SM4-T) is a roller-lever snap-action switch from the SM Series. It features a 1NO/1NC contact configuration, an AC contact rating of 5 A @…

SKU 3G-OTH-38664

Also listed as: 311SM4T · 311SM4 T

Brand
Honeywell
Item
Miniature Snap Action Switch: Roller Lever Actuator, 1NO/1NC
Category
Roller-Lever Snap-Action Switches
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Honeywell
Manufacturer Part Number
311SM4-T
Series
SM
Type
1NO/1NC, Solder Turret
AC Contact Rating
5 A @ 250 V
Electrical Connection
Solder Turret

Technical Documents

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Honeywell Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HONEYWELL Miniature Snap Action Switch with Roller Lever Actuator (MPN 311SM4-T) is a roller-lever snap-action switch from the SM Series. It features a 1NO/1NC contact configuration, an AC contact rating of 5 A @ 250 V, and a solder turret electrical connection.

Frequently Asked Questions

What is the HONEYWELL 311SM4-T miniature snap action switch used for?

The HONEYWELL 311SM4-T is a roller-lever snap-action switch used in industrial automation, HVAC equipment, and vending machines for position sensing and limit control. Its roller lever actuator provides reliable actuation in applications requiring precise switching at low operating forces.

What are the specifications of the HONEYWELL 311SM4-T switch?

The HONEYWELL 311SM4-T is a miniature snap action switch from the SM Series with a roller lever actuator. It has a 1NO/1NC contact configuration, an AC contact rating of 5 A @ 250 V, and a solder turret electrical connection. The manufacturer part number is 311SM4-T.

Where to buy the HONEYWELL 311SM4-T switch worldwide?

You can source the HONEYWELL 311SM4-T switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this Honeywell miniature snap action switch.

How to install the HONEYWELL 311SM4-T roller lever switch?

Mount the switch securely using the provided holes, ensuring the roller lever aligns with the actuating cam or mechanism. Connect wires to the solder turret terminals per your circuit diagram. Verify the 1NO/1NC contacts are correctly wired. Test actuation to confirm proper operation before finalizing installation.

Used in

Common applications for Honeywell
Commercial kitchen and inflight-catering steam boilers — RM7890 / RM7895 flame relays with UV detection
Food-processing ramp-and-dwell ovens — DBC2000E / DBC2100E controllers
Hotel and hospital boiler plants — VR8205 combination gas controls
Petrochemical tank-farm heating — V4xxx gas-valve bodies with ML7420 actuators
Retrofit swap-outs from legacy Fireye / Satronic — Honeywell replacement kits

Honeywell Products

3G Electric supplies Honeywell roller-lever snap-action switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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