Current transformer Rittal SV 9677.160, white, 1 pc

Rittal SV 9677.160 is a white, single-piece current transformer designed for measuring and monitoring alternating current in electrical installations. The device provides galvanic isolation between the primary and secondary circuits and is intended for panel-mounted or cabinet-mounted applications where a compact current sensing solution is required. It is supplied as one unit and is suitable for integration into control cabinets and industrial switchgear layouts that need reliable current measurement with minimal space demand.

Advantages

The current transformer delivers isolation between primary and secondary sides to ensure safe, low-voltage secondary signals for meters and protection relays. Its compact form factor and white housing allow straightforward installation in crowded control panels and compatibility with typical industrial cabinet aesthetics. As a dedicated single-piece unit, it simplifies inventory and replacement tasks while maintaining consistent measurement performance for monitoring and protection applications.

Suitable for

• Current measurement for metering and monitoring in control cabinets
• Feeding protection relays and measurement instruments that require isolated secondary signals
• Use in industrial switchgear and distribution panels with limited space
• Panel-mounted installations where a compact transformer is needed

When it may not be suitable

This current transformer is intended for applications that require galvanic isolation and compact, panel-mounted sensing. It may not be suitable where unusually high primary conductor dimensions, non-standard busbar arrangements, or very high current ratings beyond the transformer's designed range are present. It is also not a replacement for measurement devices that require integrated digital outputs or multifunction energy metering without a separate meter.

Key specifications

• Color: white
• Unit quantity: single piece
• Mounting: panel/cabinet mounting for compact integration
• Function: current measurement and galvanic isolation between primary and secondary
• Typical applications: industrial switchgear, control cabinets, distribution panels

How to use

Install the transformer around the primary conductor or position it according to panel mounting instructions, ensuring the primary side is connected as specified for correct orientation. Connect the secondary outputs to the measuring instrument or protection relay using appropriate low-voltage wiring and maintain correct polarity. Verify secure mechanical fixing and observe safety procedures: de-energize circuits where required, follow earthing recommendations of the panel, and confirm secondary circuits are never left open under load. After installation, perform functional checks with the measuring equipment to ensure expected output and calibration as necessary.

What to consider before purchase

• Confirm the transformer's rated primary current range matches the installation's expected currents
• Verify physical dimensions and mounting method suit available panel or cabinet space
• Ensure compatibility of secondary output with intended meters or protection relays
• Check that the transformer's insulation and safety characteristics meet local electrical standards

Usage recommendations

For reliable measurements, pair the current transformer with properly rated meters or protection devices, use correct secondary burden values, and follow manufacturer wiring and installation instructions. Regularly inspect the mechanical mounting and connections during maintenance intervals to ensure consistent performance.