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EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 0/00/1/1-3/4/2 - NEMA Electronic Overload Relays
EATONNEMA Electronic Overload Relays

EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 0/00/1/1-3/4/2

The EATON Overload Relay: Electronic Protection (MPN C440A1A045SAX) is a three-phase NEMA electronic overload relay with a maximum voltage rating of 690V AC and a current range of 9 A to 45 A. It features screw clamp…

SKU 3G-OTH-41505

Brand
EATON
Item
Overload Relay: Electronic Protection, 3 Poles, NEMA Size 0/00/1/1-3/4/2
Category
NEMA Electronic Overload Relays
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Technical Specifications

EATON
Manufacturer Part Number
C440A1A045SAX
Type
NEMA Size 0/00/1/1-3/4/2, 9 A – 45 A
Phase
Three
Poles
3
Maximum Voltage Rating
690V AC
Thermal Units Required
Not Applicable to Electronic Type Overload Relays
Terminal Connection Type
Screw Clamp Terminals
Compatible Contactor Series
C25 Definite Purpose
View Full Spec Sheet

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

Product Description

The EATON Overload Relay: Electronic Protection (MPN C440A1A045SAX) is a three-phase NEMA electronic overload relay with a maximum voltage rating of 690V AC and a current range of 9 A to 45 A. It features screw clamp terminals and is compatible with the C25 Definite Purpose contactor series. Thermal units are not applicable to this electronic type overload relay.

Frequently Asked Questions

What is the EATON C440A1A045SAX overload relay used for?

The EATON C440A1A045SAX is an electronic overload relay used to protect three-phase motors from overcurrent, phase loss, and phase imbalance. It is commonly applied in industrial motor control centers and panel builds where NEMA Size 0/00/1/1-3/4/2 contactors are used.

What are the specifications of the EATON C440A1A045SAX overload relay?

This EATON overload relay is a three-pole, NEMA electronic type with a current range of 9 A to 45 A and a maximum voltage rating of 690V AC. It features screw clamp terminals and is compatible with the C25 Definite Purpose contactor series. Thermal units are not required.

Where to buy the EATON C440A1A045SAX overload relay worldwide?

You can source the EATON C440A1A045SAX overload relay through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select the correct EATON overload relay for a motor?

To select the correct EATON overload relay, match the full-load current of your three-phase motor to the relay's adjustable current range (9 A to 45 A for this model). Ensure the relay's voltage rating (690V AC) and contactor compatibility (C25 series) meet your system requirements.

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 nema electronic overload relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 0, 4 A – 20 A (MPN C440A1A020SF0). Key specifications — Brand: EATON; Terminal Connection Type: Screw Clamp Terminals; Maximum Voltage Rating: 690V AC; Compatible Contactor Series: C25 Definite Purpose; Phase: Three; Thermal Units Required: Not Applicable to Electronic Type Overload Relays.