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RS PRO Current Transformer 125A 21mm Bore 5A Secondary 171-8756
Specifications
| Country of Origin | India |
|---|---|
| Brand | RS PRO |
| Model | 171-8756 |
| Depth | 40mm |
| Width | 45mm |
| Mount Type | Wall, Busbar, Cable |
| Maximum Operating Temperature | 55°C |
| Accuracy class | 0.2 & 0.2s |
| Minimum Operating Temperature | -5°C |
| Bore Diameter | 21mm |
| Secondary current | 5A |
| Terminal type | Wire |
| Primary Current | 125A |
| Minimum Operating Frequency | 50Hz |
| Maximum Operating Frequency | 60Hz |
| HOBUT CT132 Series Current Transformer 120 A 21mm BoreBrand | HOBUT |
| Terminal Cover | Wire sealable |
Key Features
- Designed for measuring and monitoring primary currents up to 125A.
- Features a 21mm bore, suitable for a range of cable and busbar sizes.
- Secondary output current rated at 5A for compatibility with standard metering equipment.
- Supports multiple mounting options including wall, busbar, and cable mounting.
- Robust polycarbonate encapsulation ensures durability and electrical safety.
- Wide operating temperature range from -5°C to 55°C for diverse environments.
- Wire sealable terminal covers enhance security and prevent tampering.
- Complies with UL94V-0, IEC 60044-1, IEC 61010-2, and IEC 61869-1 standards.
Product Description
The RS PRO 171-8756 current transformer is an industrial-grade solution for accurate measurement and monitoring of electrical currents in automation, process control, and energy management applications. With a primary current rating of 125A and a secondary output of 5A, it is designed to provide reliable and precise readings essential for modern power systems.
This current transformer features a 21mm bore diameter, allowing for versatile installation with various cable and busbar configurations. Its robust polycarbonate encapsulation provides excellent electrical insulation and mechanical protection, making it suitable for use in demanding industrial environments.
The device offers multiple mounting options, including wall, cable, and busbar mounting, ensuring flexibility in system design and installation. The wire sealable terminal covers enhance the safety and security of connections, reducing the risk of tampering and ensuring long-term operational integrity.
Engineered to perform across a broad ambient temperature range from -5°C to 55°C, this CT is suitable for use in diverse settings such as switchgear panels, process control systems, and automated energy monitoring networks. Its compliance with international standards - UL94V-0, IEC 60044-1, IEC 61010-2, and IEC 61869-1 - guarantees high levels of electrical safety, fire resistance, and measurement accuracy.
The RS PRO 171-8756 is widely utilized in industrial automation, commercial building infrastructure, utility substations, and smart grid systems, where dependable current measurement is critical for protection, metering, and control. Its comprehensive class accuracy and strong housing design contribute to long service life and low maintenance requirements.
Applications span manufacturing facilities, HVAC, electrical distribution panels, renewable energy installations, and more. The product’s design is ideal for integration with programmable logic controllers (PLCs), energy meters, and protection relays across modern power and automation networks.
Review more in the full Current Transformer category or browse additional RS PRO models for expanded industrial and automation needs.
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Frequently Asked Questions
The primary current rating of this model is 125A, making it suitable for measuring and monitoring high electrical currents.
It has a secondary output current rated at 5A, which is compatible with standard metering equipment.
The bore diameter is 21mm, allowing for versatile installation with various cable and busbar configurations.
This current transformer supports multiple mounting options, including wall, busbar, and cable mounting.
It operates within a temperature range of -5°C to 55°C, suitable for diverse environments.
The dimensions of this unit are 40mm in depth and 45mm in width.
It meets an accuracy class of 0.2 & 0.2s, ensuring reliable measurement performance.
It features wire sealable terminal covers, enhancing the security of connections and preventing tampering.
The minimum operating frequency is 50Hz, and the maximum operating frequency is 60Hz.
This current transformer complies with UL94V-0, IEC 60044-1, IEC 61010-2, and IEC 61869-1 standards, ensuring high levels of electrical safety and measurement accuracy.
It is widely utilized in industrial automation, commercial building infrastructure, utility substations, and smart grid systems for accurate current measurement.
The country of origin for this model is India.
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