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8×7×4 TG30 3-Phase Phase Sequence Relay Phase Failure Loss Protection 220-380VAC TG30 Protector
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8×7×4 TG30 3-Phase Phase Sequence Relay Phase Features
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FUNCTION: 3 phase power supply monitor relay protection function is not affected by the circuit or load current, current, unbalanced current and load characteristics, achieving long term operation of full performance and full climate to ensure normal and stable operation of the motor
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3 phase filter, Phase sequence relay detects the waveform and phase of the power supply by IC to judge whether the power supply is abnormal., 3 phase filter
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WIDELY USED Application: Protect electric system and on loading electrical apparatus from thunder and instantaneous over voltage.
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2. Phase reversal protection: It is a safeguard acting immediately, which protects L1, L2, and L3 three phase against wrong connection . In this case, the yellow indicator light will be lighted.
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Loss Protection: In the reverse phase anti phase , three phase voltage imbalance, phase loss and short circuit when the inductive load such as motor is running, it can quickly judge and output the relay protection.
About 8×7×4 TG30 3-Phase Phase Sequence Relay Phase
Characteristics of working: 1. If the connection of L1, L2 and L3 phases are right, the green light of the relay illuminates and the relay closes. If they are wrong, the yellow light of the relay illuminates. Exchanging any two of them, the relay will accept the phase sequence and begin to work normally. In this case that there occurs yellow light illuminated and relay unclosed after the protected equipment works normally, it should be a wrong connection of external circuit. The relay has a function of protection against wrong connection. 2. While any of these L1, L2 and L3 phases is phase loss, the red light is lighted with the unlighted green light and the released relay. While the voltage come back to normal, it will recover immediately with lighted green light and closed relay. 3. L1, L2 and L3 connect with three phase AC. NO, COM are normally open contact point and NC, COM are normally closed contact point. Use to connect terminal directly. Specification: Model: TG30 Rated voltage: 220-380VAC Rated current: 5A Power consumption: ≤2W Insulation voltage: 40000VCC/m Mounting method: 35mm TH type rail or M2-M4 screws Package weight: Approx. 98g/3.4oz Package list: 1 * Phase Sequence Relay
