VTD1 3 Ph Under Voltage Relays

Introduction: It is a 3 Phase 3 Wire Under Voltage Relay. It is best suitable for balanced or unbalanced 3 phase 3 wire loads powered by Generators, UPS, Stabilizers, Inverters or electricity Board (Utility). It is used to protect against fluctuating voltage to start standby generators, to operate mains failure units, Gensets, AMF Panels, PCC, Distribution boards and similar applications, where close regulation is required. Some of the other added advantages are easy & quick settings from front. User friendly indications. DIN Rail mounting & panel mounting facility.

Features: · Monitors all 3 Phase to Phase Voltages for Under Voltage condition. · Unaffected by Harmonics & Frequency Variations & Phase Sequence.

Application Areas: NA

Technical Specifications:

Sr. Parameter Specifications 1 System Supply 110 / 240 / 380 / 415/440 V AC+20 / -25%, 50 / 60 Hz 2 Output Relay Contact 1 CO 3 Trip Setting Under Voltage 75% - 95% (adjustable); Over Voltage N.A. 4 Trip Time Delay 1 - 10 secs. (adjustable) 5 Power on Delay 3.5 secs. ±1.5 secs. 6 Reset Auto 7 Weight 175 gms. 8 Dimensions (mm) Overall (L x W x D) 76 x 30.5 x 117.5; Mounting 68 centre to centre