Test Terminal Blocks. Series - SS

Also available in Series - NW and Series - NW-20
Features   Rating
Facilitates in-situ testing 500 V. 20 A
Compact design & construction  
Extended transparent cover, (optional)  
Choice of front or rear connection  
Reasonably priced  
CPRI tested  
PGCIL approved  
Product Application & Description
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 me 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 hole 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
Screw type front connection.   SS·34SFC
Screw type back connection.   SS·34SBC
Link type front connection.   SS-34LFC
Link type back connection.  


For TTBs with  extended transparent Cover, Suffix -  EC to the above code. eg.+
+  Screw type  front connection with extended transparent Cover; code  :  SS-34SFC-EC
Relay Test Blocks and Test Plugs.
Relay testing Systems.
Semaphore Indicators.
Terminal Blocks.
Series - NW Series - SS Series - NW-13W Series - NWKB
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