Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Honeywell Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 48 ozf Op Force - Max - Top-Mount Plunger Limit Switches
HoneywellTop-Mount Plunger Limit Switches

Honeywell Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 48 ozf Op Force - Max

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

Brand
Honeywell
Item
Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 48 ozf Op Force - Max
Category
Top-Mount Plunger Limit Switches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 2 Mounting Holes, 0.08 in (MPN EX-Q). Key specifications — Manufacturer Part Number: EX-Q; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: EX; Body Material Type: Metallic; Actuator Type: Plunger.
Honeywell
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 2 Mounting Holes, 0.08 in (MPN EX-Q). Key specifications — Manufacturer Part Number: EX-Q; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: EX; Body Material Type: Metallic; Actuator Type: Plunger.
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 2 Mounting Holes, 0.08 in (MPN EX-Q800). Key specifications — Manufacturer Part Number: EX-Q800; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: EX; Body Material Type: Metallic; Actuator Type: Plunger.
Honeywell
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 2 Mounting Holes, 0.08 in (MPN EX-Q800). Key specifications — Manufacturer Part Number: EX-Q800; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: EX; Body Material Type: Metallic; Actuator Type: Plunger.
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 2 Mounting Holes, EX, Top (MPN EX-AR50). Key specifications — Manufacturer Part Number: EX-AR50; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: EX; Body Material Type: Metallic; Actuator Type: Plunger.
Honeywell
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 2 Mounting Holes, EX, Top (MPN EX-AR50). Key specifications — Manufacturer Part Number: EX-AR50; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: EX; Body Material Type: Metallic; Actuator Type: Plunger.
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 2 Mounting Holes, 0.16 in (MPN EXD-Q-3). Key specifications — Manufacturer Part Number: EXD-Q-3; Brand: HONEYWELL; Electrical Connection: 3 ft Cable; Series: EX; Body Material Type: Metallic; Actuator Type: Plunger.
Honeywell
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 2 Mounting Holes, 0.16 in (MPN EXD-Q-3). Key specifications — Manufacturer Part Number: EXD-Q-3; Brand: HONEYWELL; Electrical Connection: 3 ft Cable; Series: EX; Body Material Type: Metallic; Actuator Type: Plunger.
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, 9 ozf Op Force - Min, Plunger, BZE6 (MPN BZE6-2RN). Key specifications — Manufacturer Part Number: BZE6-2RN; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: BZE6; Body Material Type: Metallic; Actuator Type: Plunger.
Honeywell
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, 9 ozf Op Force - Min, Plunger, BZE6 (MPN BZE6-2RN). Key specifications — Manufacturer Part Number: BZE6-2RN; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: BZE6; Body Material Type: Metallic; Actuator Type: Plunger.
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 2 Mounting Holes, 0.07 in (MPN 914CE18-3). Key specifications — Manufacturer Part Number: 914CE18-3; Brand: HONEYWELL; Electrical Connection: 3 ft Cable; Series: 914CE; Body Material Type: Metallic; Actuator Type: Plunger.
Honeywell
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 2 Mounting Holes, 0.07 in (MPN 914CE18-3). Key specifications — Manufacturer Part Number: 914CE18-3; Brand: HONEYWELL; Electrical Connection: 3 ft Cable; Series: 914CE; Body Material Type: Metallic; Actuator Type: Plunger.

More from Honeywell

View all Honeywell parts
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, 9 ozf Op Force - Min, Plunger, BZV6 (MPN BZV6-2RQ). Key specifications — Manufacturer Part Number: BZV6-2RQ; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: BZV6; Body Material Type: Metallic; Actuator Type: Plunger.
Honeywell
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, 9 ozf Op Force - Min, Plunger, BZV6 (MPN BZV6-2RQ). Key specifications — Manufacturer Part Number: BZV6-2RQ; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: BZV6; Body Material Type: Metallic; Actuator Type: Plunger.
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, 26 ozf Op Force - Min, Plunger, BZV6 (MPN DTE6-2RN). Key specifications — Manufacturer Part Number: DTE6-2RN; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: BZV6; Body Material Type: Metallic; Actuator Type: Plunger.
Honeywell
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, 26 ozf Op Force - Min, Plunger, BZV6 (MPN DTE6-2RN). Key specifications — Manufacturer Part Number: DTE6-2RN; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: BZV6; Body Material Type: Metallic; Actuator Type: Plunger.
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, 9 ozf Op Force - Min, Plunger, BZE6 (MPN BZE6-2RQ). Key specifications — Manufacturer Part Number: BZE6-2RQ; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: BZE6; Body Material Type: Metallic; Actuator Type: Plunger.
Honeywell
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, 9 ozf Op Force - Min, Plunger, BZE6 (MPN BZE6-2RQ). Key specifications — Manufacturer Part Number: BZE6-2RQ; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: BZE6; Body Material Type: Metallic; Actuator Type: Plunger.
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 2 Mounting Holes, 914CE (MPN 914CE18-6). Key specifications — Manufacturer Part Number: 914CE18-6; Brand: HONEYWELL; Electrical Connection: 6 ft Cable; Series: 914CE; Body Material Type: Metallic; Actuator Type: Plunger.
Honeywell
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 2 Mounting Holes, 914CE (MPN 914CE18-6). Key specifications — Manufacturer Part Number: 914CE18-6; Brand: HONEYWELL; Electrical Connection: 6 ft Cable; Series: 914CE; Body Material Type: Metallic; Actuator Type: Plunger.
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, 9 ozf Op Force - Min, Plunger, BZE6 (MPN BZE6-2RN7). Key specifications — Manufacturer Part Number: BZE6-2RN7; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: BZE6; Body Material Type: Metallic; Actuator Type: Plunger.
Honeywell
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, 9 ozf Op Force - Min, Plunger, BZE6 (MPN BZE6-2RN7). Key specifications — Manufacturer Part Number: BZE6-2RN7; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: BZE6; Body Material Type: Metallic; Actuator Type: Plunger.
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Non-Metallic, Plunger, 4 Mounting Holes, GLD (MPN GLDA01B). Key specifications — Manufacturer Part Number: GLDA01B; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: GLD; Body Material Type: Non-Metallic; Actuator Type: Plunger.
Honeywell
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Non-Metallic, Plunger, 4 Mounting Holes, GLD (MPN GLDA01B). Key specifications — Manufacturer Part Number: GLDA01B; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: GLD; Body Material Type: Non-Metallic; Actuator Type: Plunger.
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 2 Mounting Holes, 0.08 in (MPN EX-N15). Key specifications — Manufacturer Part Number: EX-N15; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: EX; Body Material Type: Metallic; Actuator Type: Plunger.
Honeywell
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 2 Mounting Holes, 0.08 in (MPN EX-N15). Key specifications — Manufacturer Part Number: EX-N15; Brand: HONEYWELL; Electrical Connection: Screw Terminals; Series: EX; Body Material Type: Metallic; Actuator Type: Plunger.
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 2 Mounting Holes, 0.07 in (MPN 914CE66-3). Key specifications — Manufacturer Part Number: 914CE66-3; Brand: HONEYWELL; Electrical Connection: 3 ft Cable; Series: 914CE; Body Material Type: Metallic; Actuator Type: Plunger.
Honeywell
HONEYWELL Non Plug-In Limit Switch: Plunger Actuator, Metallic, Plunger, 2 Mounting Holes, 0.07 in (MPN 914CE66-3). Key specifications — Manufacturer Part Number: 914CE66-3; Brand: HONEYWELL; Electrical Connection: 3 ft Cable; Series: 914CE; Body Material Type: Metallic; Actuator Type: Plunger.