Ireland 
Load break switch 3P 125A HAD312
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Complete your system
Optional accessories
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Switch operating shaft 3 products available -
Auxiliary contact block 2 products available -
Door coupling handle for switchgear 1 products available -
Terminal cover 1 products available
Complete your system
Technical properties
Electric current
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Rated current125 A
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Acceptable current rating AC21125 A
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Acceptable current rating AC21 category B125 A
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Acceptable current rating AC22 category B125 A
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Acceptable current rating AC23 category A100 A
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Acceptable current rating AC23 category B100 A
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Rated short-time withstand current Icw 1s IEC 609472.75 kA
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Rated short-time withstand current Icw IEC 609472.75 kA
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Rated conditional short-circuit current Icc with gl-gG fuses25 kA
Architecture
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Control/operation elementShort rotary handle
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Number of poles3
Connection
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Cross-section rigid conductor70 mm²
Voltage
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Rated insulation voltage Ui800 V
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Rated impulse withstand voltage Uimp8,000 V
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Rated operational voltage Ue380 - 415 V
Power
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Power loss per pole at In7.10 W
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Total power loss under IN21.30 W
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Rated operational power under 400 V AC AC182,000 W
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Rated operational power under 400 V AC AC2356,000 W
Installation, mounting
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Nominal tightening torque4 - 4.4 Nm
Equipment
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Motor drive optionalNo
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Number of auxiliary contacts as change-over contact0
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Number of auxiliary contacts as normally closed contact0
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Number of auxiliary contacts as normally open contact0
Use conditions
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Operating temperature-20 - 70 °C
Cover, door
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InterlockableYes
Safety
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Ingress Protection (IP) classIP20
Connectivity
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Type of connectionScrew terminal
Functions
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Is reversing switchNo
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Version as emergency stop installationNo
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Version as main switchYes
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Version as maintenance/service switchYes
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Version as safety switchYes
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Version as switch disconnector compactYes
Capacity
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Number of modules4.45
Environmental value
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Certifications and documents
Downloads
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Product image
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Product datasheet
Hager Product data sheet HAD312
Load break switch 3P 125A
PDF -
Declaration of conformity
Declaration
Declaration of conformity International 2022-04-13
PDF835,39 kB
EU Declaration of conformity
Declaration of conformity en-GB 2025-11-21
PDF604,46 kB
More documentation
