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Honeywell EX-Q400 Top-Mount Plunger Limit Switch - Top-Mount Plunger Limit Switches
HoneywellTop-Mount Plunger Limit Switches

Honeywell EX-Q400 Top-Mount Plunger Limit Switch

The HONEYWELL EX-Q400 is a top-mount plunger limit switch from the EX series, featuring a metallic body and screw terminals for electrical connection. It uses a plunger actuator with a maximum operating force of 48 ozf.

SKU 3G-OTH-29950

Also listed as: EXQ400 · EX Q400

Brand
Honeywell
Item
EX-Q400 Top-Mount Plunger Limit Switch
Part Number
EX-Q400
Category
Top-Mount Plunger Limit Switches
Available to Order
Also known as:EX-Q400Honeywell
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Honeywell
Manufacturer Part Number
EX-Q400
Series
EX
Type
Metallic, Plunger, 48 ozf Op Force - Max, EX
Actuator Type
Plunger
Body Material Type
Metallic
Electrical Connection
Screw Terminals

Technical Documents

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

Product Description

The HONEYWELL EX-Q400 is a top-mount plunger limit switch from the EX series, featuring a metallic body and screw terminals for electrical connection. It uses a plunger actuator with a maximum operating force of 48 ozf.

Frequently Asked Questions

What is the HONEYWELL EX-Q400 limit switch used for?

The HONEYWELL EX-Q400 is a top-mount plunger limit switch used in industrial automation to detect the presence or position of moving parts. Its metallic body and plunger actuator suit harsh environments, making it common in packaging, material handling, and machine tool applications.

What are the specifications of the HONEYWELL EX-Q400?

The HONEYWELL EX-Q400 is from the EX series with a metallic body and plunger actuator. It uses screw terminals for electrical connection and requires a maximum operating force of 48 ozf. The manufacturer part number is EX-Q400.

Where to buy the HONEYWELL EX-Q400 limit switch worldwide?

3G Electric supplies the HONEYWELL EX-Q400 limit switch worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the HONEYWELL EX-Q400 limit switch?

Mount the HONEYWELL EX-Q400 securely using its top-mount design, ensuring the plunger aligns with the target. Connect wires to the screw terminals per your control circuit. Test actuation force (max 48 ozf) and verify proper switching before full operation.

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
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Honeywell Products

3G Electric supplies Honeywell top-mount plunger limit switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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The Honeywell GLCA01B is a metallic-bodied limit switch from the GLC Series with a plunger actuator and screw terminals. It features four mounting holes with 0.12 in dimension for top-mount installation. This non plug-in switch is used in industrial automation to detect the presence or position of moving parts, such as in conveyor systems, packaging machinery, and material handling equipment
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The Honeywell GLCA01B is a metallic-bodied limit switch from the GLC Series with a plunger actuator and screw terminals. It features four mounting holes with 0.12 in dimension for top-mount installation. This non plug-in switch is used in industrial automation to detect the presence or position of moving parts, such as in conveyor systems, packaging machinery, and material handling equipment

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