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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
Category
Plenum 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

MODINE
Manufacturer Part Number
3H0400780003

Technical Documents

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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 — Modine PTP series gas unit heaters for large open spaces with natural gas supply
Industrial air circulation — Modine DSU series ceiling fans for vertical recirculation in manufacturing facilities
Commercial building heating — Modine PDP series suspended heaters for retail or office spaces
Heating system repair — Modine draft inducer assemblies for replacement in existing Modine gas heaters
Process heating — Modine HD series unit heaters for workshops or loading docks requiring 30,000 BtuH
HVAC control replacement — Modine time-delay relays for on/off delay in heating system controls

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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