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BARD 8402-074BX Manual Reset Limit Switch, SPST, 170°F Open, 7°F Close, 24 VDC - Plenum Fan & Limit Controls
BARDPlenum Fan & Limit Controls

BARD 8402-074BX Manual Reset Limit Switch, SPST, 170°F Open, 7°F Close, 24 VDC

BARD Plenum Fan & Limit Controls.

SKU 3G-OTH-67802

Also listed as: 8402074BX · 8402 074BX

Brand
BARD
Item
8402-074BX Manual Reset Limit Switch, SPST, 170°F Open, 7°F Close, 24 VDC
Category
Plenum Fan & Limit Controls
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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

BARD
Manufacturer Part Number
8402-074BX

Technical Documents

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

Product Description

BARD Plenum Fan & Limit Controls.

Frequently Asked Questions

What is a BARD 8402-074BX limit switch used for?

The BARD 8402-074BX is a manual-reset limit switch used in HVAC plenum fans and heating systems to prevent overheating. It opens on temperature rise at 170°F and closes at 7°F, interrupting power to the fan or burner until manually reset.

What are the specifications of the BARD 8402-074BX limit switch?

This BARD limit switch is a single-pole single-throw (SPST) device rated for 24 VDC. It opens at 170°F and closes at 7°F, with manual reset. The manufacturer part number is 8402-074BX, and it is designed for plenum fan and limit control applications.

Where to buy a BARD 8402-074BX limit switch worldwide?

3G Electric supplies the BARD 8402-074BX limit switch worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install a BARD 8402-074BX manual-reset limit switch?

Mount the BARD 8402-074BX securely in the plenum or duct, ensuring proper airflow across the sensing element. Wire the SPST contacts in series with the 24 VDC control circuit. After a trip event, press the manual reset button only after the system cools below 7°F.

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BARD Products

3G Electric supplies BARD plenum fan & limit controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
This SPDT fan and limit control features a limit that opens on rise and a fan that closes on rise. The fan closing range is 200°F to 250°F with a fixed 25°F differential. Typical applications include HVAC systems requiring temperature regulation in plenums or ducts
HONEYWELL HOME
This SPDT fan and limit control features a limit that opens on rise and a fan that closes on rise. The fan closing range is 200°F to 250°F with a fixed 25°F differential. Typical applications include HVAC systems requiring temperature regulation in plenums or ducts
This plenum fan and limit control features a single-pole double-throw (SPDT) switch with fan action close on rise and limit action open on rise. It has a fan closing range of 100°F to 200°F and a fixed 25°F differential. Used in forced-air heating systems to control fan operation and provide high-temperature limit protection
HONEYWELL HOME
This plenum fan and limit control features a single-pole double-throw (SPDT) switch with fan action close on rise and limit action open on rise. It has a fan closing range of 100°F to 200°F and a fixed 25°F differential. Used in forced-air heating systems to control fan operation and provide high-temperature limit protection
Plenum fan and limit control for forced-air heating systems. Fan switch closes on temperature rise; limit switch opens on rise to prevent overheating. SPDT switching, fixed 25°F differential, closing range 100°F to 200°F
HONEYWELL HOME
Plenum fan and limit control for forced-air heating systems. Fan switch closes on temperature rise; limit switch opens on rise to prevent overheating. SPDT switching, fixed 25°F differential, closing range 100°F to 200°F
This SPDT plenum fan and limit control features a fan switch that closes on temperature rise and a limit switch that opens on rise. The closing range is adjustable from 100°F to 265°F, and the differential is also adjustable. It is used in HVAC systems to regulate fan operation and provide high-temperature limit protection in furnaces and air handlers
WHITE-RODGERS
This SPDT plenum fan and limit control features a fan switch that closes on temperature rise and a limit switch that opens on rise. The closing range is adjustable from 100°F to 265°F, and the differential is also adjustable. It is used in HVAC systems to regulate fan operation and provide high-temperature limit protection in furnaces and air handlers
SPDT fan and limit control with limit switch action that opens on rise. Adjustable differential and closing range of 100°F to 265°F. Used in HVAC plenum applications to regulate temperature and prevent overheating in furnaces and air handlers
WHITE-RODGERS
SPDT fan and limit control with limit switch action that opens on rise. Adjustable differential and closing range of 100°F to 265°F. Used in HVAC plenum applications to regulate temperature and prevent overheating in furnaces and air handlers
This SPDT plenum fan and limit control features a limit switch that opens on temperature rise and a fan switch that closes on rise. The closing range is adjustable from 100°F to 265°F with an adjustable differential. Used in forced-air heating systems to control fan operation and provide high-temperature limit protection
WHITE-RODGERS
This SPDT plenum fan and limit control features a limit switch that opens on temperature rise and a fan switch that closes on rise. The closing range is adjustable from 100°F to 265°F with an adjustable differential. Used in forced-air heating systems to control fan operation and provide high-temperature limit protection

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