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

3G Electric
RFQ CartGet a QuoteSign inSign up
EATON Thermal Unit: 20 Trip Class, FH51 - Electrical
EATONElectrical

EATON Thermal Unit: 20 Trip Class, FH51

EATON Electrical.

SKU 3G-OTH-44056

Also listed as: FH 51 · FH-51

Brand
EATON
Item
Thermal Unit: 20 Trip Class, FH51
Category
Electrical
UNSPSC
39121029 — Isolation transformer
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

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

EATON
Manufacturer Part Number
FH51

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

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

Product Description

EATON Electrical.

Frequently Asked Questions

What is the EATON FH51 thermal unit used for?

The EATON FH51 thermal unit is used in motor protection applications to provide overload protection for electric motors. It is designed for use with EATON contactors and starters, ensuring reliable trip performance in industrial electrical systems across manufacturing, HVAC, and process industries.

What are the specifications of the EATON FH51 thermal unit?

The EATON FH51 thermal unit has a 20 Trip Class rating and is identified by manufacturer part number FH51. It is designed for use with EATON motor starters and contactors to protect motors from overload conditions. For detailed electrical ratings, consult the product datasheet.

Where to buy the EATON FH51 thermal unit worldwide?

3G Electric supplies the EATON FH51 thermal unit to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this electrical component.

How to select the correct EATON thermal unit for a motor?

To select the correct EATON thermal unit, match the unit's trip class and current range to your motor's full-load amperage and starting characteristics. The FH51 is a 20 Trip Class unit suitable for standard motor starting. Always verify compatibility with your EATON contactor or starter model.

Used in

Common applications for EATON
Industrial control panels — Eaton M22 flush push buttons for momentary machine start/stop commands
Motor control centers — Eaton NEMA reversing starters with electronic overloads for conveyor belt direction control
HVAC systems — Eaton definite purpose starters with thermal overloads for compressor and fan motor protection
Process automation — Eaton SL7 tower lights with IP66 bases for visual status indication in wet environments
Machine tool signaling — Eaton 10250T LED pilot lights with push-to-test for operator panel status lamps
Access control — Eaton M22 keyed selector switches for equipment mode selection in secured areas

EATON Products

3G Electric supplies EATON electrical. 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 →

Compatible alternatives & equivalents

Cross-referenced by specification & description
The EATON FH50 is a thermal unit designed for overload protection in motor starters and contactors. It provides Class 20 trip protection, ensuring motors are safeguarded against overheating in industrial electrical systems
EATON
The EATON FH50 is a thermal unit designed for overload protection in motor starters and contactors. It provides Class 20 trip protection, ensuring motors are safeguarded against overheating in industrial electrical systems
The EATON FH54 is a thermal overload unit designed for motor starters and contactors. It provides Class 20 trip protection, ensuring the motor is safeguarded against overheating in industrial electrical systems
EATON
The EATON FH54 is a thermal overload unit designed for motor starters and contactors. It provides Class 20 trip protection, ensuring the motor is safeguarded against overheating in industrial electrical systems
The EATON FH53 is a thermal overload unit designed for motor starters and contactors. It provides Class 20 trip protection, ensuring motors are safeguarded against overheating in industrial electrical systems
EATON
The EATON FH53 is a thermal overload unit designed for motor starters and contactors. It provides Class 20 trip protection, ensuring motors are safeguarded against overheating in industrial electrical systems
EATON Thermal Unit: 20 Trip Class, FH52
EATON
EATON Thermal Unit: 20 Trip Class, FH52
Thermal overload relay element for motor starters and contactors. Provides Class 20 trip protection, tripping within 20 seconds at 600% of rated current to prevent motor overheating. Suitable for industrial electrical systems requiring overload protection
EATON
Thermal overload relay element for motor starters and contactors. Provides Class 20 trip protection, tripping within 20 seconds at 600% of rated current to prevent motor overheating. Suitable for industrial electrical systems requiring overload protection
Thermal overload relay unit for motor starters and contactors. Provides Class 20 trip protection, tripping within 20 seconds at 600% of rated current. Used to safeguard motors from sustained overloads in industrial electrical systems
EATON
Thermal overload relay unit for motor starters and contactors. Provides Class 20 trip protection, tripping within 20 seconds at 600% of rated current. Used to safeguard motors from sustained overloads in industrial electrical systems

More from EATON

View all EATON parts →
The EATON FH04 is a thermal overload protection device for electric motors, featuring a 20 Trip Class rating. It is designed for use in motor starters and contactors to protect against overheating by tripping the circuit when current exceeds safe levels. Common applications include pumps, conveyors, and HVAC systems in industrial environments
EATON
The EATON FH04 is a thermal overload protection device for electric motors, featuring a 20 Trip Class rating. It is designed for use in motor starters and contactors to protect against overheating by tripping the circuit when current exceeds safe levels. Common applications include pumps, conveyors, and HVAC systems in industrial environments
Remote reset module for circuit breakers and electrical equipment, enabling fault reset from a distance without manual access. Suitable for use in control panels and automated systems where equipment is located in confined or hazardous areas
EATON
Remote reset module for circuit breakers and electrical equipment, enabling fault reset from a distance without manual access. Suitable for use in control panels and automated systems where equipment is located in confined or hazardous areas
Thermal overload unit for motor protection, 20 Trip Class. Used in motor starters and contactors to protect motors and circuits from overload conditions
EATON
Thermal overload unit for motor protection, 20 Trip Class. Used in motor starters and contactors to protect motors and circuits from overload conditions
Thermal overload protection element for motor starters and contactors. Bimetallic design provides Class 20 trip protection, operating within 20 seconds at 600% of rated current. Used in industrial motor control applications to prevent thermal damage from sustained overloads
EATON
Thermal overload protection element for motor starters and contactors. Bimetallic design provides Class 20 trip protection, operating within 20 seconds at 600% of rated current. Used in industrial motor control applications to prevent thermal damage from sustained overloads
Thermal overload relay component for motor protection circuits. Monitors motor current and trips to prevent damage from sustained overcurrent conditions. Designed for use with motor starters and contactors in industrial electrical systems
EATON
Thermal overload relay component for motor protection circuits. Monitors motor current and trips to prevent damage from sustained overcurrent conditions. Designed for use with motor starters and contactors in industrial electrical systems
The EATON FH36 is a thermal overload unit designed for motor starters and contactors. It provides Class 20 trip protection, ensuring the motor is safeguarded against overheating by tripping within 20 seconds at 600% of rated current. Suitable for industrial electrical systems requiring reliable overload protection
EATON
The EATON FH36 is a thermal overload unit designed for motor starters and contactors. It provides Class 20 trip protection, ensuring the motor is safeguarded against overheating by tripping within 20 seconds at 600% of rated current. Suitable for industrial electrical systems requiring reliable overload protection
The EATON FH38 is a thermal overload unit designed for motor starters and contactors. It provides Class 20 trip protection, ensuring the motor is safeguarded against overheating in industrial electrical systems
EATON
The EATON FH38 is a thermal overload unit designed for motor starters and contactors. It provides Class 20 trip protection, ensuring the motor is safeguarded against overheating in industrial electrical systems
Thermal unit for overload protection in motor starters and contactors. Provides thermal protection by tripping when current exceeds safe levels. Used in industrial machinery, pumps, conveyors, and HVAC systems
EATON
Thermal unit for overload protection in motor starters and contactors. Provides thermal protection by tripping when current exceeds safe levels. Used in industrial machinery, pumps, conveyors, and HVAC systems