EF65-70

Name: EF65-70
Brand: ABB
SKU: EF65-70

The ABB EF65-70 Electronic Overload Relay provides fast and reliable protection for motors without the need for an external power supply. Ideal for various motor applications, it ensures efficient and safe operation.

Product ModelEF65-70

Material Number1SAX331001R1101

Product ID86971

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe EF65-70 offers fast and reliable protection for motors, ensuring they operate safely and efficiently.
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2. Self-SuppliedNo external power supply is required, making it easy to integrate into your system without additional wiring.
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3. Wide Setting RangeThe relay features a wide setting range, allowing it to be used in various motor applications with high accuracy.
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4. High Operational Temperature RangeIt can operate in a broad temperature range, making it suitable for diverse environmental conditions.
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Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

70 mm

Product Net Height

131.2 mm

Product Net Depth / Length

105.2 mm

Product Net Weight

0.821 kg

Setting Range

25 ... 70 A

Rated Operational Voltage

Auxiliary Circuit 600 V AC/DC Main Circuit 1000 V AC

5. Trip Class Selection

Users can select from trip classes (10E, 20E, 30E) to customize the relay according to their specific needs.

Rated Operational Current (Ie)

70 A

Rated Frequency (f)

Auxiliary Circuit 50 Hz Auxiliary Circuit 60 Hz Auxiliary Circuit DC Main Circuit 50 Hz Main Circuit 60 Hz

Rated Impulse Withstand Voltage (Uimp)

Auxiliary Circuit 6 kV Main Circuit 8 kV

Rated Insulation Voltage (Ui)

1000 V

Number of Poles

Number of Auxiliary Contacts NC

Number of Auxiliary Contacts NO

Number of Protected Poles

Conventional Free-air Thermal Current (Ith)

Auxiliary Circuit NC 6 A Auxiliary Circuit NO 6 A

Rated Operational Current AC-15 (Ie)

(240 V) NC 3 A (240 V) NO 3 A (400 V) NC 1.1 A (400 V) NO 1.1 A (500 V) NC 0.75 A (500 V) NO 0.75 A

Rated Operational Current DC-13 (Ie)

(125 V) NC 0.55 A (125 V) NO 0.5 A (24 V) NC 1.5 A (24 V) NO 1.5 A (250 V) NC 0.27 A (250 V) NO 0.27 A (60 V) NC 0.55 A (60 V) NO 0.55 A

Degree of Protection

Housing IP20 Main Circuit Terminals IP10

Pollution Degree

Connecting Capacity Auxiliary Circuit

Flexible with Ferrule 1/2x 0.75 ... 2.5 mmÂ² Flexible with Insulated Ferrule 1/2x 0.75 ... 2.5 mmÂ² Flexible 1/2x 0.75 ... 2.5 mmÂ² Rigid 1/2x 1 ... 4 mmÂ²

Connecting Capacity Main Circuit

Flexible with Ferrule 1x 4 ... 35 mmÂ² Flexible with Ferrule 2x 2.5 ... 35 mmÂ² Flexible with Insulated Ferrule 1/2x 4 ... 35 mmÂ² Flexible 1/2x 4 ... 35 mmÂ² Rigid 1/2x 4 ... 35 mmÂ²

Tightening Torque

Auxiliary Circuit 0.8 ... 1.2 NÂ·m Main Circuit 4 NÂ·m

Wire Stripping Length

Auxiliary Circuit 9 mm Main Circuit 20 mm

Recommended Screw Driver

Auxiliary Circuit Pozidriv 2 Main Circuit Pozidriv 2

Mounting Position

1 ... 6

Power Loss

at Rated Operating Conditions per Pole 0.056 ... 0.441 W

Suitable For

AF40 AF52 AF65

Standards

IEC/EN 60947-1 IEC/EN 60947-4-1 IEC/EN 60947-5-1 UL 60947-1 UL 60947-4-1

Maximum Operating Voltage UL/CSA

Main Circuit 600 V AC

Contact Rating UL/CSA

(NC:) B600 (NC:) Q600 (NO:) B600 (NO:) Q600

Connecting Capacity Main Circuit UL/CSA

Flexible 1/2x 10-2 AWG Stranded 1/2x 10-2 AWG

Connecting Capacity Auxiliary Circuit UL/CSA

Flexible 1/2x 18-10 AWG Stranded 1/2x 18-10 AWG

Tightening Torque UL/CSA

Auxiliary Circuit 7 ... 1 inÂ·lb Main Circuit 55 inÂ·lb

Ambient Air Temperature

Operation -25 ... +70 Â°C Operation Compensated -25 ... +70 Â°C Storage -50 ... +85 Â°C

Ambient Air Temperature Compensation

Yes

Maximum Operating Altitude Permissible

2000 m

Resistance to Shock acc. to IEC 60068-2-27

11 ms Pulse 25g

Resistance to Vibrations

5g 3 ... 150 Hz

RoHS Status

Following EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019

Toxic Substances Control Act - TSCA

2CMT2023-006525

Object Classification Code

ETIM 4