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ABB OESA 63DM3BMNS Switch Fuse  

1. Key Parameters

• Product Model: OESA 63DM3BMNS
• Product Series: ABB OESA-Series Industrial Low-Voltage Switch Fuses (BMNS Cabinet-Compatible)
• Core Function: Overload/short-circuit protection + manual circuit switching; compatible with ABB BMNS low-voltage switchgear.

2. Core Features

• BMNS Cabinet Adaptation: Customized for ABB BMNS low-voltage switchgear, ensuring seamless integration without modification.
• Dual Protection & Control: Combines fuse (overload/short-circuit protection) and manual switch (circuit on/off), reducing component redundancy.
• High Breaking Capacity: 50kA breaking capacity handles fault currents safely, preventing equipment damage.
• Reliable Manual Operation: Toggle switch with clear ON/OFF indication, ensuring easy and error-free operation for maintenance staff.

3. Application Fields

• Low-Voltage Distribution: Used in ABB BMNS switchgear to protect and control power supply for lighting, sockets in commercial buildings.
• Industrial Motor Control: Protects small-to-medium motors (e.g., 5.5kW~7.5kW) in manufacturing lines, with manual power cutoff for maintenance.
• Utility Auxiliary Circuits: Guards auxiliary power circuits (e.g., pump control, fan control) in water treatment plants or small power stations.

4. Precautions

• Compatibility: Use exclusively with ABB BMNS switchgear and 63A gG/gL fuses; avoid mismatched fuse types (e.g., fast-acting fuses).
• Electrical Limits: Do not exceed 63A rated current or 415V rated voltage to prevent overheating or breaking failure.
• Installation: Follow BMNS cabinet wiring guidelines; ensure proper grounding to avoid electric shock.
• Maintenance: Replace fuses immediately after overload/short-circuit tripping; inspect switch contacts annually for oxidation.
• Spare Parts: Use genuine ABB OESA 63DM3BMNS components—non-genuine parts may compromise protection performance or cabinet compatibility.

The structure and details of the product：

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