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EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 4/5/6/7/8/9 - NEMA Electronic Overload Relays
EATONNEMA Electronic Overload Relays

EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 4/5/6/7/8/9

The EATON Overload Relay: Electronic Protection (MPN C440C1A140SAX) is a NEMA electronic overload relay with three poles, rated for NEMA sizes 4 through 9 and a current range of 24 A to 140 A. It features a maximum…

SKU 3G-OTH-40900

Brand
EATON
Item
Overload Relay: Electronic Protection, 3 Poles, NEMA Size 4/5/6/7/8/9
Category
NEMA Electronic Overload Relays
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Technical Specifications

EATON
Manufacturer Part Number
C440C1A140SAX
Type
NEMA Size 4/5/6/7/8/9, 24 A – 140 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
Freedom
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 C440C1A140SAX) is a NEMA electronic overload relay with three poles, rated for NEMA sizes 4 through 9 and a current range of 24 A to 140 A. It features a maximum voltage rating of 690V AC, screw clamp terminals, and is compatible with the Freedom contactor series. This three-phase electronic relay does not require thermal units.

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.
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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.
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 4, 28 A – 140 A (MPN C440C1A140SF4). 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.
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EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 4, 28 A – 140 A (MPN C440C1A140SF4). 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.
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 4/5/6/7/8/9, 20 A – 100 A (MPN C440B2A100SAX). Key specifications — Brand: EATON; Terminal Connection Type: Screw Clamp Terminals; Maximum Voltage Rating: 690V AC; Compatible Contactor Series: Freedom; Phase: Three; Thermal Units Required: Not Applicable to Electronic Type Overload Relays.
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EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 4/5/6/7/8/9, 20 A – 100 A (MPN C440B2A100SAX). Key specifications — Brand: EATON; Terminal Connection Type: Screw Clamp Terminals; Maximum Voltage Rating: 690V AC; Compatible Contactor Series: Freedom; Phase: Three; Thermal Units Required: Not Applicable to Electronic Type Overload Relays.