Product Model
EF750-800
Selling Points
- 1Reliable Protection: Provides fast and reliable protection for motors against overload and phase failure.
- 2Wide Setting Range: Offers a wide setting range from 250 to 800 A for versatile motor protection.
- 3High Accuracy: Ensures high accuracy in detecting motor overloads with advanced electronic technology.
- 4ATEX and IECEx Certified: Meets international safety standards with ATEX and IECEx certification for hazardous environments.
- 5Easy to Use: Compatible with standard motor applications, easy to install and operate like a thermal overload relay.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Product Net Width | 244 mm | Product Net Height | 111.6 mm |
Product Net Depth / Length | 187.73 mm | Product Net Weight | 2.765 kg |
Setting Range | 250 ... 800 A | Rated Operational Voltage | Auxiliary Circuit 600 V AC/DC Main Circuit 1000 V AC |
Rated Operational Current (Ie) | 800 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 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 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 |
Tightening Torque | Auxiliary Circuit 0.8 ... 1.2 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 0.005 ... 0.054 W | Suitable For | AF580 AF750 |
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 Auxiliary Circuit UL/CSA | Flexible 1/2x 18-10 AWG Stranded 1/2x 18-10 AWG |
Tightening Torque UL/CSA | Auxiliary Circuit 7 ... 1 in·lb | Ambient Air Temperature | Operation -25 ... +70 °C Operation Compensated -25 ... +70 °C Storage -25 ... +70 °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 | 3g 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) | 3707464 |
E-Number (Norway) | 4116706 | E-Number (Sweden) | 3210295 |
Manufacturer ID | 1SAX821001R1101 |
Specifications may be subject to change without notice