ABB EF460, EF750 Technical Data
Technical data IEC/EN
Data at T
= 40 °C and at rated values, if nothing else indicated
A
Main circuit
EF460, EF750
Rated operational voltage U
e
Setting range - electronic overload protection see table on page 1
Rated operational current AC-3 I
e
Trip class 10E, 20E, 30E, selectable
Rated frequency 50/60 Hz
Number of poles 3
Resistance per pole see table on page 3
Power loss per pole see table on page 3
Short-circuit protective devices see table on page 3
Isolation data EF460, EF750
Rated impulse withstand voltage U
Rated insulation voltage U
imp
i
Pollution degree 3
Overvoltage category up to III
1000 V AC
- V DC
see upper value of setting range, table on page 3
8 kV
1000 V
2CDC107045D0201 - 5
Technical data UL/CSA
Full load amps and short-circuit protective devices
Type Full load amps
(FLA)
EF460-500
EF750-800
500 A 100 kA refer to AF refer to AF refer to AF
800 A 100 kA refer to AF refer to AF refer to AF
Short circuit protective devices
600 V AC 600 V AC
SCCR Fuse J SCCR Circuit breaker
Main circuit
Maximum operational voltage 600 V AC
Trip rating 125 % of FLA
Full load amps (FLA) see table above
Short-circuit rating RMS symmetrical see table above
Short-circuit protective devices see table above
Auxiliary circuit
Conventional thermal current 6 A
Making and breaking capacity NC / NO B600, Q600
Electrical connection
Connecting capacity stranded 1x2xAWG 18 ... 10
AWG 18 ... 10
flexible 1x2xAWG 18 ... 10
AWG 18 ... 10
Stripping length 9 mm
Tightening torque 7 ... 11 lb.in
Recommended screw driver Pozidriv 2
8 - 2CDC107045D0201
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