SMC International Primary Injection Relay Test Equipment LET-400-RDC

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Primary Injection Relay Test Equipment - LET-400-RDC - SMC International
Collado Villalba, Spain
Primary Injection Relay Test Equipment LET-400-RDC
The LET-400-RDC is designed to perform most of the primary tests that are necessary in substations commissioning. It allows to perform with sufficient power, all the primary current injections to test the proper function and wiring of all the elements that compose the protection and measuring section in a substation. The regulation system is based on a continuously variable autotransformer (Variac) that supplies to a power transformer that delivers the high current outputs and isolate the main supply from the load. A built-in ammeter and a timer gives the information about the current value and the operation time of the relay or breaker under test. APPLICATIONS - Test of the I/T curve in primary current relays test. - Primary injection tests. - Test of measurement and protection transformers. - In general, primary injection tests including the complete loop, such as current transformer cables, protective relays, and circuit breakers. CHARACTERISTICS - Permanent current up to 400A 1KVA in 4 Ranges. - Built in digital ammeter 0.5% accuracy. - Built in digital timer resolution 1 ms. - Thermal and shortcircuit protection. - Variable AC and DC voltage up to 220V. - Variable auxiliary DC power supply up to 220V.
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Technical Specifications

  SMC International
Product Category Relay Test Equipment
Product Number LET-400-RDC
Product Name Primary Injection Relay Test Equipment
Testing Voltage 3.45 to 138 volts
Form Factor Stand Alone / Bench
Phase SIngle Phase
Display Type Digital
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