85 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2
80 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2
75 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2
Performance level
HB1 75 kA 690 V AC
trip unit name
Micrologic 2.3
trip unit technology
Electronic
trip unit protection functions
LSoI
control type
Toggle
Circuit breaker mounting mode
Fixed
Complementary
[Ui] rated insulation voltage
800 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage
8 kV
[Ics] rated service short-circuit breaking capacity
85 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2
80 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2
75 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2
mechanical durability
15000 cycles
electrical durability
12000 cycles at 440 V In/2
6000 cycles at 440 V In
6000 cycles at 690 V In/2
3000 cycles at 690 V In
power dissipation per pole
19.2 W
mounting support
Backplate
mounting position
Horizontal and vertical
Flat on the back
upside connection
Front
downside connection
Front
connection pitch
45 mm
protection type
L : for overload protection (long time)
So : for short time short-circuit protection with fixed delay
I : for instantaneous short-circuit protection
trip unit rating
400 A at 40 °C
Long-time pick-up adjustment type Ir (thermal protection)
Adjustable 9 settings
[Ir] long-time protection pick-up adjustment range
160…400 A
Long-time protection delay adjustment type tr
Fixed
[tr] long-time protection delay adjustment range
400 s at 1.5 x Ir
16 s at 6 x Ir
11 s at 7.2 x Ir
Neutral protection settings
0.5 x Ir (3D + N/2)
1 x Ir (4D)
No protection (3D)
thermal memory
20 minutes before and after tripping
Short-time protection pick-up adjustment type Isd
Adjustable 9 settings
[Isd] Short-time protection pick-up adjustment range
1.5...10 x Ir
Short-time protection delay adjustment type tsd
Fixed
Instantaneous protection pick-up adjustment type Ii
Fixed
[Ii] instantaneous protection pick-up adjustment range
4800 A
earth-leakage protection
Without
zone selective interlocking ZSI
Without
Number of slots for electrical auxiliaries
6 slot(s)
local signalling
Flashing LED (green) for ready to operate
LED 105 % Ir (red) for overload
LED 90 % Ir (orange) for overload
Width (W)
185 mm
Height (H)
255 mm
Depth (D)
110 mm
net weight
7.9 kg
Environment
standards
EN/IEC 60947
product certifications
EAC
Marine
CCC
overvoltage category
Class II
electrical shock protection class
Class II
pollution degree
3 conforming to IEC 60664-1
IP degree of protection
IP40 conforming to IEC 60529
IK degree of protection
IK07 conforming to IEC 62262
ambient air temperature for operation
-25…70 °C
ambient air temperature for storage
-50…85 °C
relative humidity
0…95 %
operating altitude
0...2000 m without derating
2000 m...5000 m with derating
85 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2
80 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2
75 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2