FICO SLC-65 Current Transformer (CT) – 65mm Window, 600A–1200A, 5A Secondary for Energy Metering & Protection

The FICO SLC-65 is a premium molded-housing current transformer (CT) from the SLC Series, designed for accurate current measurement, monitoring, and protection in residential, commercial, and industrial electrical systems. Featuring a 65mm window size, the SLC-65 allows convenient installation over larger busbars or multiple conductors while maintaining a compact and robust design suitable for control panels and switchboards.

This CT series supports a primary current range of 600A, 800A, 1000A, and 1200A with a standardized 5A secondary output, making it fully compatible with most energy meters, smart meters, power analyzers, and protective relays. The SLC-65 is ideal for applications where high-current systems need precise monitoring, load tracking, and safe integration into protective devices.

Key Features & Benefits:

• Wide Primary Current Options: 600A, 800A, 1000A, 1200A (to 5A secondary) – Supports a variety of electrical loads for accurate metering, load monitoring, and relay protection.
• 65mm Window Size: Ensures easy installation over larger busbars, multiple cables, or thicker conductors without compromising panel space.
• Standard 5A Secondary Output: Compatible with standard energy meters, smart meters, power analyzers, and protective relay systems.
• Precise & Stable Measurement: Converts high primary currents to safe, manageable 5A secondary currents, ensuring reliable readings for billing, monitoring, and relay operation.
• Galvanic Isolation & Safety: Provides electrical isolation between high-current conductors and secondary monitoring circuits, protecting both equipment and personnel.
• Durable, Low-Maintenance Design: Molded housing resists dust, moisture, and environmental stress for long-term, trouble-free operation.
• Versatile Applications: Suitable for residential, commercial, and industrial installations requiring accurate energy measurement, load monitoring, or circuit protection.

Typical Applications & Use Cases:

• Energy metering and billing in large residential complexes, commercial buildings, and industrial facilities.
• Load monitoring in distribution panels, switchgear, and motor control centers.
• Integration with ammeters, smart meters, energy management systems, and protective relays.
• Retrofits and upgrades of existing electrical installations where 65mm window clearance accommodates thicker busbars or multiple cables.
• Overload and short-circuit protection for medium-to-high current electrical circuits.

Why Choose FICO SLC-65 CT?

The FICO SLC-65 provides a perfect balance of high current handling, compact design, and reliable performance. Its 65mm window allows installation flexibility, while the standardized 5A secondary ensures seamless integration with measurement and protection devices. Whether you are upgrading a commercial panel, installing energy monitoring systems, or enhancing relay protection, the SLC-65 delivers safe, accurate, and long-term performance for a wide range of electrical systems.