Test Terminal Blocks

Series : SS

Test Terminal Blocks

Features

  • • Facilitates in-situ testing
  • • Compact design & construction
  • • Extended transparent cover, (optional)
  • • Choice of front or rear connection
  • • Reasonably priced
  • • Rating : 500 V. 15 A


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. Sealing holes provided on the cover securing knobs and studs, prevent unauthorised access.

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) for injecting current from a portable test set or to short circuit Current Transformer Secondaries.

These TTBs are available in screw or link type. for front or back connected applications.

TYPES ORDERING CODE
3-Phase, 4-Wire Screw type front connected with black Bakelite cover SS-34SFC/SC
3-Phase, 4-Wire, Screw type back connected with black Bakelite cover SS-34SBC/SC
3-Phase, 4-Wire Link type front connected with black Bakelite cover SS-34LFC/SC
3-Phase, 4-Wire Link type back connected with black Bakelite cover SS-34LBC/SC
3-Phase, 4-Wire Screw type front connected with extended transparent Polycarbonate cover SS-34SFC/EC
3-Phase, 4-Wire Screw type back connected with extended transparent Polycarbonate cover SS-34SBC/EC
3-Phase, 4-Wire Screw type front connected with sloated extended transparent Polycarbonate cover SS-34SFC/SEC
3-Phase, 4-Wire Screw type back connected with sloated extended transparent Polycarbonate cover SS-34SBC/SEC
3-Phase, 4-Wire Link type front connected with extended transparent Polycarbonate cover SS-34LFC/EC
3-Phase, 4-Wire Link type back connected with extended transparent Polycarbonate cover SS-34LBC/EC
3-Phase, 4-Wire Link type front connected with sloted extended transparent Polycarbonate cover SS-34LFC/SEC
3-Phase, 4-Wire Link type back connected with sloted extended transparent Polycarbonate cover SS-34LBC/SEC

OTHER PRODUCTS