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LTRP Series

Product catalog summary

Product Overview:
The LTRP CT Series is a range of rectangular resin cast current transformers designed for a wide system current range. They feature a transparent cover with IP20 protection, clear directional marking, and are designed for efficient wall mounting. The terminal cover is wire-sealable to enhance safety and prevent tampering.

General Specifications:

Applicable Standards: IEC61869-1 & 2, IS-16227
Type: PU Resin Low Voltage CT
Insulation Class: E (120°C max)
System Voltage: 0.72 kV (max)
Operating Frequency: 50/60Hz
Test Voltage: 4kV (50Hz for 1 minute)
Rated Primary Current: 50A to 7500A
Rated Secondary Current: 5A (1A on request)
Accuracy Class: CL0.5, CL1.0, CL3.0
Rated Burden: 1VA to 30VA
Instrument Security Factor: 5, 10, 15
Continuous Current: 1.2 X Rated Primary Current
Rated Short Time Thermal Current (Ith): 60 X In for 1 sec (max 40kA for 1 sec)
Rated Dynamic Current (Idyn): 2.5 X Ith
Ambient Temperature: -25°C to +40°C
Storage Temperature: -50°C to +80°C
Connection: M4 Terminal studs

Performance Data:
The datasheet provides detailed performance data for various models within the LTRP CT Series, including the ratio, VA, and class for each model. The data is organized into tables for easy reference, covering models LTRP-1 through LTRP-9.

Contact Information:
Sifam Tinsley Instrumentation Ltd is located at 1 Warner Drive, Springwood Industrial Estate, Braintree, Essex, CM7 2YW. They can be contacted via phone at 01376 335271 or email at [email protected]. More information is available on their website at www.sifamtinsley.co.uk.

Catalog excerpts

CURRENT TRANSFORMER www.sifamtinsley.co.uk Multifunction Meters Transducers & Isolators Temperature Controllers Converters & Recorders Digital Panel Meters Current Transformers LTRP CT SERIES (RECTANGULAR RESIN CAST CTS) Analogue Panel Meters Shunts Digital Multimeters Clamp Meters Insulation Testers SUBJECT TO CHANGE WITHOUT NOTICE This datasheet superseded all previous versions – please keep for future reference

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^ Wide System Current Range ^ Transparent cover with IP20 protection to terminals ^ Clear directional marking on Terminal cover ^ Mounting: Designed for efficient wall mounting ^ Wire-Sealable Terminal Cover: Enhances safety and ensures tamper-proof access (RECTANGULAR RESIN CAST CTS) General Specifications: Applicable Standard Issue 1.0 CURRENT TRANSFORMER 1

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Contact Sifam Tinsley Instrumentation Ltd 1 Warner Drive Springwood Industrial Estate Braintree Essex CM7 2YW Tel: 01376 335271 Email: [email protected] www.sifamtinsley.co.uk CURRENT TRANSFORMER

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