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CK12BE311D GE

$542.00

Prohibited Actions

Never modify trip unit calibration seals
Avoid parallel operation with non-GE breakers
Do not exceed 3x terminal stacking height

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Warranty 1 year

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Description

ELECTRICAL HAZARD
● De-energize panel before installation (Verify with CAT III 1000V multimeter)
● Use GE-approved torque wrench (TL-20K) for terminal connections

Parameter	Requirement
Mounting Position	Vertical (±5° tolerance)
Busbar Connection	35mm² min copper, tin-plated
Torque Values	Main lugs: 50 Nm ±10%
Ambient Temperature	-25°C to +60°C (derate 1%/°C >40°C)

Step-by-Step Guidance

Mechanical Mounting
- Align with DIN rail (EN 60715) until audible “click”
- Secure end stoppers (P/N: ES-CK12)
Electrical Connections
[Power Terminals] L1/L2/L3: Phase sequence marking → Follow IEC 60445 [Control Wiring] A1/A2: 24-230V AC/DC (Use 0.75-2.5mm² flex cable)
Pre-Operation Check
- Measure contact resistance: ≤50μΩ (DLRO test)
- Verify trip unit settings: Iⁿ=125A, Ir=0.8 (Factory default)