Phone No.:
(0250) - 2453877

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Nelster Welcon

Meter Test Blocks, Test Terminal Blocks, Relay Test Blocks, Semaphore Indicators, Switch Fuse Units, Change over Switches, Disconnecting Switches, Connectors, Universal Test Blocks, Test Winding Terminals, Trivector Meter Test Block, MDI Test Block, CT Test Block, Numerical Relay Test Block, Current Transformer.

About Us

NELSTER WELCON is India's pioneer and the largest manufacturers and exporters of Test Terminal Blocks with the widest range to offer. Established in 1978 , we are an ISO-9001 : 2008 certified manufacturing plant offering a range of Test Terminal Blocks, Test Switches, Relay Test Blocks, Relay Test Plugs, Semaphore Indicators, Relay Test Systems & Plugs, Changeover Switches, By Pass Changeover switches, Switch disconnector, Air Break Switches, Gang Operated Switches etc.


We have also Exported in This countries UK, America, Africa, Europe, Singapore, Malaysia, Thailand, Oman, Egypt etc.

TEST TERMINAL BLOCKS

Facilitate easy testing
Rugged construction
High electrical strength

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RELAY TEST BLOCKS

Facilities easy in - situ, onload testing of Relays, Metering and Control Panels without disrupting load circuit.

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SEMAPHORE INDICATORS

Semaphore Indicators are designed to perform on instrumentation, control & relay panel's mimic diagram.

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Our Product Range


TEST TERMINAL BLOCKS

Facilitate easy testing
Rugged construction
High electrical strength
Extended top cover-optional
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RELAY TEST BLOCKS

The housing is robust, high grade phenolic moulding, capable of long, trouble free performance in varied climatic conditions. It is designed and manufactured for indoor application. The terminals are brass,
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SEMAPHORE INDICATORS

Semaphore indicators are designed to perform on Instrumentation. Control & Relay Panel's mimic diagram. It indicates the 'open' or 'close' position of the circuit Breaker.
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RELAY TEST BLOCK & TEST PLUG

This is a multi finger Test Plug when inserted, open circuits the contacts in the Test Block. The Test Plug consists of 28 nos. 4 mm. dia. sockets. Each socket corresponds
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RELAY TEST PLUG

We are Manufacturers, Exporters & Leading Suppliers of Test Switch / Test Switches Located in Mumbai, India. The housing is robust, high grade phenolic moulding, capable of long, trouble free
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TEST TERMINAL BLOCK

We are Manufacturers, Exporters & Leading Suppliers of FT Switch / FT Switches Located in Mumbai, India. The housing is robust, high grade phenolic moulding, capable of long, trouble free
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We also Export our Products to several countries Globally.