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ABBThermal overload relay
Product Model

EF370-380

Manufacturer

ABB

Category

Thermal overload relay

Product ID

84002

In Stock
Last updated: 2025/4/20
View Specifications
ABB EF370-380

Selling Points

  • 1High Accuracy and Wide Setting Range: Provides precise overload protection with adjustable current settings.
  • 2Trip Class Selection: Offers trip classes 10E, 20E, and 30E for customizable protection.
  • 3Self-Supplied and Easy Installation: No external supply needed; direct mounting onto block contactors.
  • 4Temperature Compensation: Operates from -25 to 75°C with temperature compensation.
  • 5Trip-Free Mechanism and Status Indication: Ensures safe operation with automatic or manual reset and trip indication.
Product Details
EF370-380
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Product Net Width
105 mm
Product Net Height
187.6 mm
Product Net Depth / Length
122.8 mm
Product Net Weight
1.338 kg
Setting Range
115 ... 380 A
Rated Operational Voltage
Auxiliary Circuit 600 V AC/DC Main Circuit 1000 V AC
Rated Operational Current (Ie)
380 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
3P
Number of Auxiliary Contacts NC
1
Number of Auxiliary Contacts NO
1
Number of Protected Poles
3
Conventional Free-air Thermal Current (Ith)
Auxiliary Circuit NC 5 A Auxiliary Circuit NO 5 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 IP00
Pollution Degree
3
Connecting Capacity Auxiliary Circuit
Flexible with Ferrule 1/2x 0.75 ... 2.5 mm² Flexible with Insulated Ferrule 1/2x 0.75 ... 2.5 mm² Flexible 1/2x 0.75 ... 2.5 mm² Rigid 1/2x 1 ... 4 mm²
Connecting Capacity Main Circuit
Hole Diameter > 10 mm² Rigid or Flexible with Cable Lug 1x 50 ... 240 mm² Rigid or Flexible with Cable Lug 2x 50 ... 150 mm²
Tightening Torque
Auxiliary Circuit 0.8 ... 1.2 N·m Main Circuit 28 N·m
Wire Stripping Length
Auxiliary Circuit 9 mm
Recommended Screw Driver
Auxiliary Circuit Pozidriv 2
Mounting Position
1 ... 6
Power Loss
at Rated Operating Conditions per Pole 0.37 ... 4.043 W
Suitable For
A210 A260 A300 AF210 AF260 AF300 AF265 AF305 AF370
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
Stranded 1/2 x 1-500 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 ... 11 in·lb Main Circuit 247 in·lb
Ambient Air Temperature
Operation -25 ... +70 °C Operation Compensated -25 ... +70 °C Storage -50 ... +85 °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
F
ETIM 4
EC001080 - Electronic overload relay
ETIM 5
EC001080 - Electronic overload relay
ETIM 6
EC001080 - Electronic overload relay
ETIM 7
EC001080 - Electronic overload relay
ETIM 8
EC001080 - Electronic overload relay
eClass
V11.0 : 27371502
UNSPSC
39122330
IDEA Granular Category Code (IGCC)
5365 >> Electronic overload relay
E-Number (Finland)
3706107
E-Number (Norway)
4116704
E-Number (Sweden)
3210249
Manufacturer ID
1SAX611001R1101

Specifications may be subject to change without notice