We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 1 - NEMA Electronic Overload Relays
EATONNEMA Electronic Overload Relays

EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 1

The EATON Overload Relay is a NEMA Size 1 electronic protection device for three-phase motors, rated for a maximum voltage of 690V AC and an adjustable current range of 4 A to 20 A. It features screw clamp terminals…

SKU 3G-OTH-40617

Brand
EATON
Item
Overload Relay: Electronic Protection, 3 Poles, NEMA Size 1
Category
NEMA Electronic Overload Relays
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

EATON
Manufacturer Part Number
C440A1A020SF1
Phase
Three
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

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

The EATON Overload Relay is a NEMA Size 1 electronic protection device for three-phase motors, rated for a maximum voltage of 690V AC and an adjustable current range of 4 A to 20 A. It features screw clamp terminals and is compatible with the Freedom contactor series. As an electronic type, it does not require thermal units.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the EATON C440A1A020SF1 overload relay used for?

The EATON C440A1A020SF1 is an electronic overload relay used to protect three-phase motors from overcurrent and phase loss. It is designed for NEMA Size 1 applications, with an adjustable current range of 4 A to 20 A and a maximum voltage rating of 690V AC.

What are the specifications of the EATON C440A1A020SF1 overload relay?

The EATON C440A1A020SF1 is a three-pole electronic overload relay with screw clamp terminals, rated for 690V AC maximum. It is compatible with the Freedom contactor series and does not require thermal units. The adjustable current range is 4 A to 20 A.

Where to buy the EATON C440A1A020SF1 overload relay worldwide?

3G Electric supplies the EATON C440A1A020SF1 overload relay to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this NEMA Size 1 electronic protection device.

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 range (4 A to 20 A for the C440A1A020SF1). Ensure the relay's voltage rating (690V AC) and NEMA size (Size 1) are compatible with your contactor and system.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 0/00/1/1-3/4/2/2-1/2/3, 4 A – 20 A (MPN C440A1A020SAX). 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.
EATON
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 0/00/1/1-3/4/2/2-1/2/3, 4 A – 20 A (MPN C440A1A020SAX). 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.
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 00, 4 A – 20 A (MPN C440A1A020SF00). 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
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 00, 4 A – 20 A (MPN C440A1A020SF00). 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 3, 20 A – 100 A (MPN C440B1A100SF3). 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.
EATON
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 3, 20 A – 100 A (MPN C440B1A100SF3). 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.
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
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 00, 0.33 A – 1.65 A (MPN C440A1A1P6SF00). 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
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 00, 0.33 A – 1.65 A (MPN C440A1A1P6SF00). 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.

More from EATON

View all EATON parts →
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.
EATON
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.
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 0/00/1/1-3/4/2/2-1/2/3/5/6/7/8/9 (MPN C440A1A005SAX). 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.
EATON
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 0/00/1/1-3/4/2/2-1/2/3/5/6/7/8/9 (MPN C440A1A005SAX). 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.
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 1, 9 A – 45 A (MPN C440A1A045SF1). 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.
EATON
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 1, 9 A – 45 A (MPN C440A1A045SF1). 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.
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 00, 1 A – 5 A (MPN C440A1A005SF00). 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
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 00, 1 A – 5 A (MPN C440A1A005SF00). 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 0/00, 1.65 A – 33 A (MPN C440A1A1P6SAX). 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.
EATON
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 0/00, 1.65 A – 33 A (MPN C440A1A1P6SAX). 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.
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 2, 9 A – 45 A (MPN C440A1A045SF2). 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.
EATON
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 2, 9 A – 45 A (MPN C440A1A045SF2). 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.
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 0/00/1/1-3/4/2, 9 A – 45 A (MPN C440A1A045SAX). 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
EATON Overload Relay: Electronic Protection, 3 Poles, NEMA Size 0/00/1/1-3/4/2, 9 A – 45 A (MPN C440A1A045SAX). 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 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
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.