TVR Instruments Measuring Power Protection LVD Distribution & Panel Building




Tel: 01206 575755

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Automatic Transfer & Load Share Unit With Mains

TRANS-MAINS is a mains control, synchronising and automatic transfer unit. The unit is designed to synchronise the gensets (controlled by TRAN-SYNCRO units) with mains supplies. The unit controls the change over from mains supply to genset supply or runs gensets in parallel with the mains to provide no-break, peak lopping and peak shaving power solutions.

trans-mains genset controllers
  • Load sharing with genset (up to 32 gensets)
  • Busbar voltages and frequency measurements
  • Bus failure detection
  • Peak lopping (mains or genset)
  • Power export to mains
  • Mains decoupling protection with R.O.C.O.F & vector shift methods
  • Logic Controller functionality for PLC

▼ Datasheet
▼ Manual

TVR Online Shop

Features Description
LCD Languages English, Turkish
Inputs 13 x Configurable digital
Outputs Configurable 9 x Transistors, GBR outputs
Current Measurement 3 phase mains, 3 phase generator
3-300 Vac Phase-Neutral, 5-99.9 Hz. Accuracy: scale %1 Resolution: 1V, Harmonic: up to 11 harmonics
Voltage Measurement 3 phase mains, 3 phase busbar
3-300 Vac Phase-Neutral, 5-99.9 Hz. Accuracy: scale %1 Resolution: 1V, Harmonic: up to 11 harmonics
Dimensions 276 mm x 189 mm x 45 mm.
Protection Class IP65 at front side
Operating Range
DC Battery Supply range 8 to 32Vdc, max.operating current is 860mA
Sender Measurement 0 to 1300 ohm, accuracy: 1% FS, resolution: 1 ohm
Operating / Storage Temp. -20°C with +70°C / -40°C with +80°C
Expansion Modules
Internal USB programming and communication port, CanOpen multi communication, Ethernet, RS485
GPRS Optional
Embedded WEB server Optional
Serial ModBus
Approvals CE, GOST-R


  TVR Instruments Limited, 143 Butt Road, Colchester CO3 3DP, Essex, United Kingdom - Tel: +44 (0)1206 575755 - Email /
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