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
Dayton Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity - IEC Thermal Overload Relays
DaytonIEC Thermal Overload Relays

Dayton Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity

The DAYTON Overload Relay (MPN 6ECA5) is an IEC thermal overload relay with integrated bimetallic elements, eliminating the need for separate thermal units. It features 1NO/1NC auxiliary contacts and phase loss…

SKU 3G-OTH-39302

Brand
Dayton
Item
Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity
Category
IEC Thermal 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

Dayton
Manufacturer Part Number
6ECA5
Type
1NO/1NC, Phase Loss Sensitivity, 0.25 A – 0.4 A
Poles
3
Compatible Contactors
Dayton (9 to 18 Amp Models)
Auxiliary Contact Form
1NO/1NC
Phase Loss Sensitivity
Yes
Thermal Units Required
None (Relay Includes Integrated Bimetallic Elements)
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

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

Product Description

The DAYTON Overload Relay (MPN 6ECA5) is an IEC thermal overload relay with integrated bimetallic elements, eliminating the need for separate thermal units. It features 1NO/1NC auxiliary contacts and phase loss sensitivity, and is compatible with Dayton contactors in the 9 to 18 Amp models. This 3-pole relay covers a current range of 0.25 A to 0.4 A.

Frequently Asked Questions

What is the DAYTON Overload Relay 6ECA5 used for?

The DAYTON Overload Relay 6ECA5 protects motors from thermal damage by monitoring current and tripping on overload or phase loss. It is used in industrial motor control panels with compatible Dayton contactors (9 to 18 Amp models).

What are the specifications of the DAYTON Overload Relay 6ECA5?

The DAYTON Overload Relay 6ECA5 is a 3-pole IEC thermal overload relay with integrated bimetallic elements, eliminating separate thermal units. It has 1NO/1NC auxiliary contacts, phase loss sensitivity, and a current range of 0.25 A to 0.4 A. It is compatible with Dayton contactors (9 to 18 Amp models).

Where to buy the DAYTON Overload Relay 6ECA5 worldwide?

You can source the DAYTON Overload Relay 6ECA5 from 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 DAYTON Overload Relay 6ECA5 for a motor?

Select the DAYTON Overload Relay 6ECA5 by matching its current range (0.25 A to 0.4 A) to the motor full-load current. Ensure compatibility with a Dayton contactor in the 9 to 18 Amp range. The relay includes integrated bimetallic elements, so no separate thermal units are needed.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
Mechanical power transmission — DAYTON HTD timing pulleys (SKU 404GV0) for conveyor belt drives
Process water handling — DAYTON self-priming centrifugal pumps (SKU 2ZXT4) for dewatering or transfer
Roofing and building services — DAYTON fixed ventilated roof curbs (SKU 4HX59) for filtered supply fan installations
Material handling — DAYTON latch assemblies (SKU 2KEN4) for electric chain hoist hook safety
Industrial air movement — DAYTON downblast roof exhaust fans (SKU 3HFL9) for clean air exhaust in manufacturing plants

Dayton Products

3G Electric supplies Dayton iec thermal 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
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 0.4 A – 0.63 A (MPN 6ECA6). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (9 to 18 Amp Models).
Dayton
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 0.4 A – 0.63 A (MPN 6ECA6). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (9 to 18 Amp Models).
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity (MPN 6ECA2). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (40 to 95 Amp Models).
Dayton
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity (MPN 6ECA2). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (40 to 95 Amp Models).
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 0.63 A – 1 A (MPN 6ECA7). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (9 to 18 Amp Models).
Dayton
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 0.63 A – 1 A (MPN 6ECA7). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (9 to 18 Amp Models).
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 1 A – 1.6 A (MPN 6ECA8). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (9 to 18 Amp Models).
Dayton
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 1 A – 1.6 A (MPN 6ECA8). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (9 to 18 Amp Models).
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 12 A – 18 A (MPN 6ECC5). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (9 to 18 Amp Models).
Dayton
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 12 A – 18 A (MPN 6ECC5). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (9 to 18 Amp Models).
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 2.5 A – 4 A (MPN 6ECC0). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (9 to 18 Amp Models).
Dayton
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 2.5 A – 4 A (MPN 6ECC0). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (9 to 18 Amp Models).

More from Dayton

View all Dayton parts →
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 23 A – 32 A (MPN 6ECC7). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (25 to 32 Amps Models).
Dayton
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 23 A – 32 A (MPN 6ECC7). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (25 to 32 Amps Models).
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 48 A – 65 A (MPN 6ECA0). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (40 to 95 Amp Models).
Dayton
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 48 A – 65 A (MPN 6ECA0). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (40 to 95 Amp Models).
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 55 A – 70 A (MPN 6ECA1). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (40 to 95 Amp Models).
Dayton
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 55 A – 70 A (MPN 6ECA1). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (40 to 95 Amp Models).
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 5.5 A – 8 A (MPN 6ECC2). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (9 to 18 Amp Models).
Dayton
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 5.5 A – 8 A (MPN 6ECC2). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (9 to 18 Amp Models).
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 0.16 A – 0.25 A (MPN 6ECA4). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (9 to 18 Amp Models).
Dayton
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 0.16 A – 0.25 A (MPN 6ECA4). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (9 to 18 Amp Models).
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 23 A – 32 A (MPN 6EAZ7). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (40 to 95 Amp Models).
Dayton
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 23 A – 32 A (MPN 6EAZ7). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (40 to 95 Amp Models).
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 0.1 A – 0.16 A (MPN 6ECA3). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (9 to 18 Amp Models).
Dayton
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 0.1 A – 0.16 A (MPN 6ECA3). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (9 to 18 Amp Models).
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 1.6 A – 2.5 A (MPN 6ECA9). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (9 to 18 Amp Models).
Dayton
DAYTON Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 1.6 A – 2.5 A (MPN 6ECA9). Key specifications — Brand: DAYTON; Auxiliary Contact Form: 1NO/1NC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: Dayton (9 to 18 Amp Models).