0.5 Class AC 400A 40mA Open Core Toroidal Current Transformer for Ammeter

• Customization: Available
• Application: Electronic, Instrument
• Type: Current Transformer
• Model NO.: ECS25400-1
• Phase: Single
• Operation Condition: Indoor
• Usage: Measurement
• Winding Form: Single Layer & Tightly Wound Type
• Insulating Medium: Insulating Paper
• Installation: Active Type
• Magnetic Circuit Structure: Single Stage Type
• Voltage Transformation Principle: Electromagnetic Type
• Transport Package: 60PCS/Box
• Trademark: ECHUN
• Origin: China
• HS Code: 8504500000
• Production Capacity: 10000PCS/Month

Product Description

0.5 Class AC 400A/40mA Open core toroidal current transformer for ammeter

The ECS25 series are split-core current transformers. The CT can be mounted to existing panels, such as control centers or load centers, to measure or monitor wattage. These CTs can be mounted without removing existing cables for easier installation

Customized current ratio available.

Rated Primary Current(Amp.) 50/60Hz	400nom(1~500A max)
Turn ratio	Np:Ns=1:10000
Current Ratio	400A/40mA
Accuracy@RL=10Ω	0.5%
D.C. Resistance at 20 ºC	630Ω±10%
Phase Error at Rated Current Range	≤30°
Protection Level	6.8 Vo (peak)
Operating Temperature Range	-40~70ºC
Storage Temperature Range	-45~80ºC
Dielectric Withstanding Voltage(Hi-pot)	4KV/1mA/1min
Impluse Withstand Voltage	5KV Peak
Insulation Resistance	DC500V/100MΩ min

Applications:
Current measurement
Monitoring and protection
Energy and sub-metering products
Network equipment
Instruments and sensors
Control systems

Advantage:
Mount easy.
Excellent linearity over the whole range.
Fully RoHS compliant.