1SNA007004R2300

1sna166761r0000 – pf-e-va

TE Connectivity PF-E-VA 1SNA166761R0000 is an ENTRELEC ESSAILEC flush-mounted voltage test socket with closed contacts and ring-tongue connections for voltage transformer, metering and protection circuits.

SKU: 1SNA166761R0000Alt SKU: PF-E-VAMPN: 1SNA166761R0000
Price
List Price ex VAT
Your Price
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

Trade pricing is personalised to your account

Manufacturer Lead Time

£138.54

Why Choose the TE Connectivity PF-E-VA ESSAILEC Voltage Test Socket?

The TE Connectivity PF-E-VA 1SNA166761R0000 is an industrial ESSAILEC voltage test socket with closed contacts, designed for reliable testing, measurement and maintenance of secondary voltage circuits in protection, metering and instrumentation systems. Part of the established TE Connectivity ENTRELEC ESSAILEC measuring and testing range, it provides a dedicated interface for connecting compatible test equipment without repeatedly disturbing permanent panel wiring.

The PF-E-VA is a flush-mounting socket using ring-tongue connections for secure permanent wiring. Its closed-contact configuration maintains circuit continuity during normal operation, making it suitable for voltage transformer and measurement applications where a dependable test point is required within an electrical panel.

Designed as part of the modular ESSAILEC system, the PF-E-VA can be integrated with compatible test plugs and accessories to support commissioning, diagnostics and scheduled maintenance. Its robust industrial construction makes it suitable for switchgear, substations, relay panels and energy metering assemblies.

Key Advantages

  • Purpose-designed ESSAILEC voltage test socket for industrial measurement circuits.
  • Closed-contact configuration maintains circuit continuity during normal operation.
  • Flush-mounting design for neat integration into electrical panels.
  • Secure ring-tongue field connections for permanent wiring.
  • Part of the proven TE Connectivity / ENTRELEC ESSAILEC system.
  • Supports efficient commissioning, testing and maintenance of voltage transformer and metering circuits.

Key Features

  • TE Connectivity / ENTRELEC ESSAILEC series.
  • PF-E-VA model designation.
  • Closed contacts.
  • Flush-mounting configuration.
  • Ring-tongue connection technology.
  • Designed for voltage measurement and protection circuits.
  • Compatible with selected ESSAILEC plugs and accessories.
  • Suitable for switchgear, substations and electrical control panels.

Reliable Voltage Circuit Testing with ESSAILEC

ESSAILEC measuring and testing blocks provide dedicated interfaces for secondary circuits associated with voltage transformers, meters, sensors and protection relays. They allow engineers to connect suitable test equipment for commissioning, measurement and maintenance while helping preserve the integrity and organisation of permanent wiring.

The PF-E-VA combines closed contacts with ring-tongue termination and a flush-mounted format, making it particularly suitable for panel installations where a compact and dependable voltage test interface is required.

Typical Applications

  • Voltage transformer secondary circuits.
  • Electrical protection and relay panels.
  • Metering and energy measurement systems.
  • Substation control and protection equipment.
  • Switchgear and distribution assemblies.
  • Industrial instrumentation systems.
  • Commissioning and maintenance test interfaces.

Technical Specifications

Manufacturer TE Connectivity / ENTRELEC
Series ESSAILEC
Model PF-E-VA
Manufacturer part number 1SNA166761R0000
Product type Voltage test socket
Contact configuration Closed contacts
Mounting type Flush mounting
Connection technology Ring tongue
Application Voltage transformer, metering and protection circuits
Pack quantity 1

Frequently Asked Questions

What is the TE Connectivity PF-E-VA 1SNA166761R0000 used for?

The PF-E-VA is an ESSAILEC voltage test socket used to provide a dedicated test interface for voltage transformer, metering and protection circuits.

What contact configuration does the PF-E-VA use?

The PF-E-VA uses closed contacts, maintaining electrical continuity through the socket during normal operation.

How is the PF-E-VA mounted?

The PF-E-VA is designed for flush mounting in compatible electrical panels and ESSAILEC installations.

What connection technology does the PF-E-VA use?

The socket uses ring-tongue connections for secure permanent field wiring.

Where is the PF-E-VA typically installed?

It is typically installed in switchgear, substations, protection panels, metering systems and industrial instrumentation assemblies.

Trusted Connectivity for Voltage Measurement Systems

TE Connectivity’s ENTRELEC ESSAILEC measuring and testing system provides dependable interfaces for voltage transformer, protection and metering circuits, supporting efficient commissioning and maintenance while preserving organised permanent panel wiring.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Tick  Priority sourcing and supply support

 Tick  Flexible payment terms for qualifying organisations

 Tick  Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...