60/70/80 Amp Thermal Overload Relay, 220V, 3-Phase

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$58.79

Good price 3-phase thermal overload relay for sale, features overcurrent and phase failure protection functions. Current setting range 55-70 Amp/ 60-80 Amp for selection, current rating 93A, working voltage 220V~690V, insulation voltage 690V, matched with 40A contactor and 100/125A gG fuse breaker.

Current Setting Range *

SKU: ATO-TOR-607080

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Overview
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3-phase thermal overload relay for AC motors, overcurrent and phase failure protection functions. It is used to provide overload protection open-phase protection and protection against unbalanced current for motors and it can also avoid heating in electrical equipment. Optional current setting range 55-70 Amp or 60-80 Amp, rated current 93A, working voltage rating 220V~690V, matched with 40A contactor, 100/125A gG or 63/80A aM fuse breaker.

Specification

Model	ATO-JR28-93
Current Setting Range (A)	48-65	55-70	60-80
Matching Fuse Breaker (A)	100 gG	125 gG	125 gG
	63 aM	80 aM	80 aM
Trip Class	40A
Frame Current (A)	93A
Rated Working Voltage (V)	3-phase 220V~690V
Rated Insulation Voltage (V)	690V
Number of Contacts	1NO + 1NC
Phase Failure Protection Function	yes
Automatic & Manual Reset	yes
Temperature Compensation	yes
Tripping Indicator	yes
Test Pushbutton	yes
Mounting Mode	Plug-in, independent
AC-15 220V Current Rating (A)	2.73
AC-15 220V Current Rating (A)	1.58
DC-13 220V Current Rating (A)	0.2
Cross Section Area of Conductor (mm²)	Main Circuit	Single core or standard wire	4~35
		Wiring screw	M4
	Auxiliary Circuit	Single core or standard wire	0.5~2.5
		Wiring screw	M3.5

Details

Thermal Overload Relay Applications

Thermal overload relays are often used in circuit protection, overload, phase failure, overtime start and locked-rotor for AC motors.
Thermal overload relay has functions of phase failure protection, temperature compensation, adjustable setting current, automatic or manual reset, operation indicator, NP and NO auxiliary contacts separate insulation.
The thermal overload relay has small installation area and various mounting methods. It has test button and stop button, which is convenient for checking the flexibility of operation.
The protective cover of thermal overload relay can protect fingers from electric shock. The locking device can prevent misoperation.
Thermal overload relay comes with remote operation, complete functions and excellent quality.

60/70/80 Amp Thermal Overload Relay Dimension Diagram (Unit: mm)

Existing reviews of 60/70/80 Amp Thermal Overload Relay, 220V, 3-Phase

It is very helpful

I recently used this thermal overload relay when maintaining a three-phase motor to protect the motor from overload damage. In the test, when the motor was overloaded due to excessive load, this relay was able to cut off the power supply in time to avoid damage to the equipment.

From: Corona | Date: 11/02/2025

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