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MODINEPlenum Limit Controls

MODINE 3H0400780003 Plenum Limit Control

MODINE Plenum Limit Controls.

SKU 3G-OTH-67528

Brand
MODINE
Item
3H0400780003 Plenum Limit Control
Part Number
3H0400780003
Category
Plenum Limit Controls
Available to Order
Also known as:3H0400780003MODINE
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Technical Specifications

MODINE
Manufacturer Part Number
3H0400780003

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

Product Description

MODINE Plenum Limit Controls.

Frequently Asked Questions

What is a MODINE high limit switch used for?

A MODINE high limit switch is a safety device used in HVAC and industrial heating systems. It monitors plenum temperature and opens the circuit at 220°F to prevent overheating, protecting equipment and personnel. It closes at 180°F for normal operation.

What are the specifications of the MODINE 3H0400780003 high limit switch?

The MODINE 3H0400780003 is a SPST high limit switch that opens on temperature rise. It opens at 220°F and closes at 180°F, rated for 24 VDC. It is a plenum limit control used in MODINE heating equipment.

Where to buy a MODINE high limit switch worldwide?

You can source the MODINE 3H0400780003 high limit switch through 3G Electric, a global industrial distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time.

How to install a MODINE high limit switch?

To install a MODINE high limit switch, first disconnect power. Mount the switch in the plenum or air stream, ensuring proper orientation. Connect the SPST leads to the 24 VDC control circuit. Verify the opening and closing temperatures match the system requirements before re-energizing.

Used in

Common applications for MODINE
Warehouse heating systems — Modine pilot light assembly (3H0374540002) for LP-fired unit heaters
Industrial facility air circulation — Modine DSU310AA15FN vertical recirculation fan, 3,100 cfm, 115V
Factory destratification — Modine DSU650AA16FN vertical recirculation fan, 6,500 cfm, 208V
Commercial building HVAC — Modine DSU310AA18FN vertical recirculation fan, 3,100 cfm, 277V
Large space temperature equalization — Modine DSU650AA15FN vertical recirculation fan, 6,500 cfm, 115V
Gas heater maintenance — Modine universal pilot light assembly for LP fuel, replaces BD300
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MODINE Products

3G Electric supplies MODINE plenum 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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