ABB EF19 Electronic Overload Relays

ABB EF19 Electronic Overload Relays Supplier,Exporter in India

ABB EF19 Electronic Overload Relay for Motor Protection

ABB EF19 is a compact electronic overload relay used for protecting three-phase motors against overload and phase failure. It is commonly combined with ABB AF contactors in motor starters, MCC panels, pumps, compressors, conveyors and industrial machines.

Unlike a conventional thermal overload relay, EF19 uses electronic current measurement. This gives a wider current setting range and allows the trip class to be selected according to the motor starting requirement.

The EF19 is self-powered from the motor current, so no separate auxiliary supply is required for normal overload protection. Motor current can be set directly from the front of the relay, while manual or automatic reset can be selected according to the control circuit.

The ABB EF19 family covers motor currents from 0.10 A to 18.9 A and includes five main current ranges.

For an ABB EF19 electronic overload relay supplier in India, EF19 motor protection relay, EF19-18.9 overload relay or ABB electronic overload relay export requirement, buyers can share the motor current, contactor model and quantity for quotation.

ABB EF19 Models

ABB EF19-0.32

• Current setting range: 0.10–0.32 A
• ABB Order Code: 1SAX121001R1101

ABB EF19-1.0

• Current setting range: 0.30–1.0 A
• ABB Order Code: 1SAX121001R1102

ABB EF19-2.7

• Current setting range: 0.80–2.7 A
• ABB Order Code: 1SAX121001R1103

ABB EF19-6.3

• Current setting range: 1.9–6.3 A
• ABB Order Code: 1SAX121001R1104

ABB EF19-18.9

• Current setting range: 5.7–18.9 A
• ABB Order Code: 1SAX121001R1105

The correct EF19 model should be selected according to the motor full-load current. For replacement enquiries, it is better to provide the complete model number rather than only mentioning EF19.

Technical Specifications

• Product family: ABB EF19
• Product type: Electronic motor overload relay
• Current range: 0.10–18.9 A
• Number of poles: 3
• Protection against motor overload
• Phase failure protection
• Adjustable trip classes: 10E, 20E and 30E
• Self-powered operation
• No separate auxiliary supply required
• Adjustable motor current setting
• Manual or automatic reset
• TEST function
• STOP function
• Trip indication
• Auxiliary contacts: 1 NO + 1 NC
• Rated insulation voltage: Up to 690 V
• Operating temperature: -25°C to +70°C
• Direct mounting with compatible ABB AF contactors
• Separate mounting kit available
• ATEX and IECEx certified versions/applications subject to applicable product certification

Features

• Electronic motor overload protection
• Wide adjustable current range
• Selectable 10E, 20E and 30E trip classes
• Phase failure sensitivity
• No additional control power supply required
• Manual and automatic reset selection
• Front TEST and STOP controls
• Clear trip indication
• One trip contact and one signalling contact
• Temperature-compensated operation
• Direct connection with ABB AF contactors
• Suitable for normal and heavier motor starting duties

ABB EF19 with AF Contactors

ABB EF19 can be mounted directly with compatible AF09 to AF38 contactors, giving panel builders a compact motor starter arrangement.

Common applications include:

• Direct-on-line starters
• Motor control panels
• MCC feeders
• Pump starters
• Compressor starters
• Conveyor motor starters
• Machine control panels

For a new motor starter requirement, both the motor current and ABB contactor model should be checked before selecting the EF19 overload relay.

ABB EF19 Trip Class 10E, 20E & 30E

One useful feature of the EF19 range is the selectable trip class.

Class 10E is commonly used for motors with normal starting times.

Class 20E and 30E can be selected for applications where the motor takes longer to accelerate or where heavier starting conditions are involved.

This makes EF19 more flexible than a basic fixed-class overload relay.

The final trip-class selection should be based on the motor and application requirements.

Applications

ABB EF19 electronic overload relays are used in:

• Motor starter panels
• MCC panels
• Pump control panels
• Compressors
• Conveyor systems
• Fans and blowers
• HVAC equipment
• Packaging machinery
• Material handling systems
• Machine tools
• Process machinery
• Water treatment plants
• Industrial pumps
• Manufacturing equipment
• OEM machinery
• Factory automation
• Direct-on-line starters
• Industrial motor control systems

ABB EF19 Electronic vs Thermal Overload Relay

EF19 provides an electronic alternative to traditional thermal overload protection.

Its wide current setting range and selectable trip classes can reduce the number of different overload relay models required across several motor ratings.

This can be useful for panel builders, OEMs and maintenance teams that need flexibility when selecting overload protection for different motors.

Choosing the Correct ABB EF19 Relay

For an ABB EF19 quotation, provide:

• Motor rated current
• Required EF19 model, if known
• ABB contactor model
• Required trip class
• Existing relay order code for replacement requirements
• Quantity
• Destination country

For an existing starter panel, a clear photograph of the overload relay and contactor can also help identify the correct model.

Looking for ABB EF19 Electronic Overload Relays?

We supply ABB EF19 electronic overload relays for motor starters, MCC panels, pumps, compressors, industrial machinery, OEM applications and export requirements.

Enquiries are welcome for ABB EF19-0.32, EF19-1.0, EF19-2.7, EF19-6.3 and EF19-18.9 electronic overload relays.

For an ABB EF19 overload relay supplier and exporter from India, ABB electronic motor protection relay, EF19-18.9 relay or replacement EF19 requirement, send the complete model, motor current, quantity and destination country for quotation.