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Home Product CTF35-250A/5A Circuit Breaker, 250A/5A High-Current Protector, CTF35 Series
CTF35-250A/5A miniature open current transformer snap-on transformer for retrofitting

CTF35-250A/5A Circuit Breaker, 250A/5A High-Current Protector, CTF35 Series

CTF35 current transformer
250A/5A current sensor
CTF35-250A current sensor
CTF35-250A/5A
High-precision CTF35 current transformer with 250A/5A ratio for power distribution monitoring, energy metering, and equipment protection. CTF35-250A current sensor ensures reliable performance and easy installation. Compact design.
Categories:Test & Measurement
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Product Description

The CTF35-250A/5A current sensor (CTF35 current transformer) is engineered for accurate AC current monitoring up to 250A primary input with a 5A output ratio, enabling direct connectivity to energy meters, relays, or PLC modules. It operates within 10-30V DC and supports a temperature range of -25°C to +70°C, ideal for power distribution, industrial automation, and renewable energy systems. Featuring a compact design without integrated display, this 250A/5A current sensor offers ±1% accuracy and a 30mm non-intrusive detection distance. Its rugged construction ensures reliability in harsh environments, though installation requires precise alignment for optimal performance. The CTF35-250A current sensor integrates seamlessly via standard terminals while lacking onboard communication interfaces like Modbus or RS-485.
ParameterSpecification
Model NumberCTF35-250A/5A
TypeCTF35 Current Transformer
Primary Rated Current250A
Secondary Rated Current5A
Accuracy Class0.5
Frequency Range50Hz - 60Hz
Rated Burden2.5VA
Overload Capacity1.2x continuous, 20x for 1 sec
Insulation Voltage600V RMS
Operating Temperature-25°C to +70°C
Mounting TypeThrough-conductor or busbar
WeightApprox. 150g
ComplianceIEC 61869, UL 508
Core MaterialHigh-permeability silicon steel
Terminal TypeScrew terminals
question:Can you explain why other suppliers can still find stock for discontinued models that you can't provide?
answer:Some suppliers might source components from unofficial channels or outdated stock, which we avoid to maintain quality and reliability standards.
question:Does your company have a professional product selection engineering team?
answer:Yes, our dedicated engineering team rigorously evaluates products for quality, compliance, and market demand to ensure optimal selections.
question:Can shipments apply for low-value declaration?
answer:Low-value declaration depends on destination country regulations. We assist in compliant processes but prioritize legal adherence.
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:Can you explain why other suppliers can still find stock for discontinued models that you can't provide?
answer:Some suppliers might source components from unofficial channels or outdated stock, which we avoid to maintain quality and reliability standards.
question:Does your company have a professional product selection engineering team?
answer:Yes, our dedicated engineering team rigorously evaluates products for quality, compliance, and market demand to ensure optimal selections.
question:Can shipments apply for low-value declaration?
answer:Low-value declaration depends on destination country regulations. We assist in compliant processes but prioritize legal adherence.
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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