ABB ef750-800 electronic overload relay 250a - 800a

ABB Electronic Overload Relay 250A -800A. The EF750-800 a self-supplied electronic overload relay, means no extra external supply is needed. It offers reliable and fast protection for motors in the event of overload or phase failure, the possibility to select A. Trip class (10E, 20E, 30E).

Dimensions
Product Net Width: 244 mm
Product Net Height: 111.6 mm
Product Net Depth: 187.73 mm
Product Net Weight: 2.765 kg

Technical
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 Operational Current AC-3 (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: 3
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: Position 1 to 6
Power Loss: at Rated Operating Conditions per Pole 0 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

1SAX821001R1101.