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Home Product CTF50-800A/5A Current Transformer Sensor, CTEK Energy Metering Core, 800A Power Monitoring Module
CTF50-800A/5A miniature open current transformer snap-on transformer for retrofitting

CTF50-800A/5A Current Transformer Sensor, CTEK Energy Metering Core, 800A Power Monitoring Module

CTF50 current transformer
800A current sensor
5A output CT
CTF50-800A/5A
CTF50 current transformer, an 800A current sensor delivering stable 5A output CT for accurate power monitoring and protection systems in commercial/industrial electrical networks. High-precision split-core design enables safe, non-invasive installation.
Categories:Test & Measurement
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Product Description

The CTF50 current transformer is a high-precision 800A current sensor designed for industrial power monitoring. It features a primary input capacity of 800A and delivers a standardized 5A output CT signal, compatible with most energy meters and protection relays. The device operates within a wide voltage range of 80-600VAC and temperature tolerance of -25°C to +70°C. It supports direct connection to up to 3 auxiliary modules via screw terminals and integrates optional RS485 communication for data transmission. Engineered for power distribution systems and manufacturing facilities, its core advantages include ±0.5% accuracy, compact form factor (85mm diameter), and IP54-rated rugged housing. While lacking built-in display or battery backup, its contactless measurement ensures safe operation across 0-10kV insulation environments.
Parameter Specification
Model CTF50-800A/5A
Type CTF50 Current Transformer / 800A Current Sensor
Rated Input Current 800A AC
Rated Output Current 5A AC (5A Output CT)
Accuracy Class Class 0.5
Frequency Range 50Hz - 60Hz
Phase Difference ≤15° at rated current
Load Resistance ≤5Ω
Insulation Voltage 3kV AC for 1 minute
Operating Temperature -25°C to +70°C
Enclosure Material Flame-retardant PC
Conductor Material High-purity electrolytic copper
Mounting DIN rail or panel mounting
Compliance IEC 61869-1, UL 508
question:Do you provide technical selection services?
answer:Yes, we offer technical consultation and product selection support.
question:Can I schedule official courier pickup myself?
answer:Yes, customers can arrange self-pickup via our partnered courier services.
question:What payment methods do you accept?
answer:We accept T/T, L/C, and PayPal payments.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Do you provide technical selection services?
answer:Yes, we offer technical consultation and product selection support.
question:Can I schedule official courier pickup myself?
answer:Yes, customers can arrange self-pickup via our partnered courier services.
question:What payment methods do you accept?
answer:We accept T/T, L/C, and PayPal payments.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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