Features

• Nelster Welcon Test Terminal Blocks offers convenience in, in-situ testing / calibration of electromechanical and electronic polyphase integrated meters, protective relays etc, without disrupting the existing load circuit. Housed in a high grade phenolic moulding with integrally moulded barriers, it offers ample protection against flash-over between terminals.
• All terminals are made from high quality brass, duly nickel plated and have 3.40 mm hole for cable entry and M3 screws for clamping.
• M4 brass studs with washers and nuts are provided at the rear, in rear connection types.
• Smart Knobs for sealing helps in quick and easy sealing thus saving technician’s time and effort.
• The voltage terminals have shorting links and colour coded moulded knobs for operational convenience. Each group of current terminals consist of three terminals with interconnecting screws or links (depends whether screw or link type).
• These TTBs are available in screw or link type. For front or back connected applications.
• Cover option : Black Standard, Transparent, Extended Transparent & Extended transparent with slot for cable entry.