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EATON C440A1A005SDD Definite Purpose Electronic Overload Relay - Definite Purpose Electronic Overload Relays
EATONDefinite Purpose Electronic Overload Relays

EATON C440A1A005SDD Definite Purpose Electronic Overload Relay

EATON Definite Purpose Electronic Overload Relays.

SKU 3G-OTH-40329

Brand
EATON
Item
C440A1A005SDD Definite Purpose Electronic Overload Relay
Category
Definite Purpose Electronic Overload Relays
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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

EATON
Manufacturer Part Number
C440A1A005SDD

Technical Documents

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

Product Description

EATON Definite Purpose Electronic Overload Relays.

Frequently Asked Questions

What is the EATON C440A1A005SDD overload relay used for?

The EATON C440A1A005SDD is a definite purpose electronic overload relay used to protect three-phase motors from overload, phase loss, and current imbalance. It is commonly applied in industrial machinery, pumps, compressors, and HVAC systems where reliable motor protection is critical.

What are the specifications of the EATON C440A1A005SDD overload relay?

The EATON C440A1A005SDD is a 3-pole electronic overload relay with 2NO/2NC auxiliary contacts. It has an adjustable current range of 1 A to 5 A and supports trip classes 10, 20, and 30. It is designed for definite purpose motor protection in industrial control panels.

Where to buy the EATON C440A1A005SDD overload relay worldwide?

3G Electric supplies the EATON C440A1A005SDD overload relay 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 EATON motor protection component.

How to select the correct trip class for the EATON C440A1A005SDD overload relay?

Select trip class based on motor starting characteristics: Class 10 for fast-starting loads like pumps, Class 20 for general-purpose motors, and Class 30 for high-inertia loads such as fans or crushers. The EATON C440A1A005SDD allows field selection among 10, 20, and 30 to match your application.

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 definite purpose 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Three-phase electronic overload relay with screw clamp terminals, rated for 4 A to 20 A and 690V AC. Designed for NEMA Size 0 applications, compatible with C25 Definite Purpose contactors. Provides motor protection against overcurrent, phase loss, and imbalance without requiring thermal units
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Three-phase electronic overload relay with screw clamp terminals, rated for 4 A to 20 A and 690V AC. Designed for NEMA Size 0 applications, compatible with C25 Definite Purpose contactors. Provides motor protection against overcurrent, phase loss, and imbalance without requiring thermal units
Three-pole electronic overload relay for three-phase motor protection. Rated 1 A to 5 A, maximum 690V AC. NEMA Size 0, screw clamp terminals, compatible with C25 Definite Purpose contactors. No thermal units required. Typical applications include pumps, fans, and conveyors
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Three-pole electronic overload relay for three-phase motor protection. Rated 1 A to 5 A, maximum 690V AC. NEMA Size 0, screw clamp terminals, compatible with C25 Definite Purpose contactors. No thermal units required. Typical applications include pumps, fans, and conveyors
Three-phase NEMA electronic overload relay for motor protection. Rated 9 A to 45 A, 690V AC maximum, with screw clamp terminals. Compatible with C25 Definite Purpose contactors. Thermal units not required
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Three-phase NEMA electronic overload relay for motor protection. Rated 9 A to 45 A, 690V AC maximum, with screw clamp terminals. Compatible with C25 Definite Purpose contactors. Thermal units not required
Three-pole electronic overload relay for motor protection against overcurrent and phase loss. Rated 4 A to 20 A, 690V AC maximum. NEMA Size 00 with screw clamp terminals. Compatible with C25 Definite Purpose contactor series. No thermal units required
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Three-pole electronic overload relay for motor protection against overcurrent and phase loss. Rated 4 A to 20 A, 690V AC maximum. NEMA Size 00 with screw clamp terminals. Compatible with C25 Definite Purpose contactor series. No thermal units required
Three-pole NEMA electronic overload relay rated for 0.33 A to 1.65 A, with a maximum voltage of 690V AC. Features screw clamp terminals and is compatible with C25 Definite Purpose contactors. No thermal units required. Used for motor overload and phase loss protection in industrial control panels and HVAC equipment
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Three-pole NEMA electronic overload relay rated for 0.33 A to 1.65 A, with a maximum voltage of 690V AC. Features screw clamp terminals and is compatible with C25 Definite Purpose contactors. No thermal units required. Used for motor overload and phase loss protection in industrial control panels and HVAC equipment
Three-pole electronic overload relay for motor protection against overcurrent and phase loss. Rated for 1 A to 5 A, maximum 690V AC. NEMA Size 00, screw clamp terminals, compatible with C25 Definite Purpose contactors. No thermal units required
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Three-pole electronic overload relay for motor protection against overcurrent and phase loss. Rated for 1 A to 5 A, maximum 690V AC. NEMA Size 00, screw clamp terminals, compatible with C25 Definite Purpose contactors. No thermal units required

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Three-pole electronic overload relay with adjustable current range of 20 A to 100 A. Features 2 normally open and 2 normally closed auxiliary contacts. Selectable trip classes 10, 20, and 30 allow flexible motor protection settings. Suitable for protecting three-phase motors in industrial automation, HVAC, pumping, and conveyor applications
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Three-pole electronic overload relay with adjustable current range of 20 A to 100 A. Features 2 normally open and 2 normally closed auxiliary contacts. Selectable trip classes 10, 20, and 30 allow flexible motor protection settings. Suitable for protecting three-phase motors in industrial automation, HVAC, pumping, and conveyor applications
Three-pole electronic overload relay with adjustable current range from 9 A to 45 A and selectable trip classes 10, 20, or 30. Features 2 normally open and 2 normally closed auxiliary contacts. Provides motor overload protection for three-phase motors in applications such as pumps, fans, and conveyors
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Three-pole electronic overload relay with adjustable current range from 9 A to 45 A and selectable trip classes 10, 20, or 30. Features 2 normally open and 2 normally closed auxiliary contacts. Provides motor overload protection for three-phase motors in applications such as pumps, fans, and conveyors
Three-pole electronic overload relay with adjustable current range of 4 A to 20 A. Features 2 normally open and 2 normally closed auxiliary contacts. Selectable trip class 10, 20, or 30. Used for motor protection in applications such as pumps, fans, and conveyors
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Three-pole electronic overload relay with adjustable current range of 4 A to 20 A. Features 2 normally open and 2 normally closed auxiliary contacts. Selectable trip class 10, 20, or 30. Used for motor protection in applications such as pumps, fans, and conveyors