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1sna166625r2000 – socket cc e va
TE Connectivity CC-E-VA-6.6 1SNA166625R2000 is a 15 A, 400 V ESSAILEC current test socket with automatic shorting for current-transformer secondary, metering and protection circuits.
£117.40
Why Choose the TE Connectivity CC-E-VA-6.6 1SNA166625R2000 Current Test Socket?
The TE Connectivity CC-E-VA-6.6 1SNA166625R2000 is a robust ESSAILEC current test socket designed for current-transformer secondary circuits, electrical metering and protection-system testing. Part of the established TE Connectivity ENTRELEC ESSAILEC series, it provides a secure interface for measurement and commissioning work while helping maintain the continuity and safety of current circuits.
The CC-E-VA-6.6 incorporates an automatic short-circuiting arrangement specifically intended for current-transformer applications. The circuit is automatically shorted during plug insertion and closes automatically again when the plug is removed, helping protect CT secondary circuits during testing and maintenance procedures.
Rated at 15 A with a 400 V rated voltage, the 1SNA166625R2000 features green polycarbonate insulation and ring-tongue connections. Its compact 50 × 74 × 57 mm format and compatibility with G32 and TH35 DIN rails make it suitable for integration into industrial switchboards, protection panels and metering cabinets.
Key Advantages
- Purpose-designed current test socket for current-transformer secondary circuits.
- Automatic short-circuiting function helps protect CT circuits during testing.
- 15 A rated current for industrial current-measurement applications.
- 400 V rated voltage suitable for professional electrical testing systems.
- Compatible with several standard DIN rail formats.
- Compact construction simplifies installation in protection, metering and switchboard panels.
Key Features
- TE Connectivity ENTRELEC ESSAILEC series.
- CC-E-VA-6.6 current socket configuration.
- Designed for current-transformer test circuits.
- Automatic circuit shorting during test-plug insertion.
- Automatic circuit closure when the test plug is removed.
- Ring-tongue connection system.
- Green polycarbonate insulating body.
- Main-terminal protection rated IP20.
Reliable Current-Transformer Testing and Protection
Current-transformer secondary circuits require particular care during testing because an open secondary circuit can create unsafe operating conditions. The ESSAILEC system addresses this requirement through a controlled plug-and-socket arrangement that automatically manages the current circuit as test equipment is connected or disconnected.
The CC-E-VA-6.6 is therefore well suited to protection and metering installations where technicians need repeatable access for commissioning, relay testing, meter verification and scheduled maintenance without unnecessarily disturbing permanent panel wiring.
Typical Applications
- Current-transformer secondary circuits.
- Protection relay testing and commissioning.
- Industrial electrical metering systems.
- Power monitoring and instrumentation panels.
- MV and HV switchgear protection panels.
- Electrical distribution and control cabinets.
Technical Specifications
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| Terminal Type | Disconnect / Test | |
|---|---|---|
| Product Series | TE SNA | |
| Colour | Green | |
| Manufacturer | TE Connectivity | |
| Product family | ENTRELEC ESSAILEC | |
| Model | CC-E-VA-6.6 | |
| Part number | 1SNA166625R2000 | |
| Product type | Current test socket | |
| Application | Current-transformer secondary circuits | |
| Rated current | 15 A | |
| Rated voltage | 400 V | |
| Connection type | Ring-tongue | |
| Insulation material | Polycarbonate | |
| Colour | Green | |
| Protection rating | IP20 at main terminals | |
| Product width | 50 mm | |
| Product height | 74 mm | |
| Product depth | 57 mm | |
| Net weight | 150 g | |
| Operating ambient temperature | -10 to +55 °C | |
| DIN rail compatibility | G32 32 × 15 mm, TH35-7.5 35 × 7.5 mm and TH35-15 35 × 15 mm | |
| EAN | 3472591666250 |
Frequently Asked Questions
What is the TE Connectivity 1SNA166625R2000 used for?
The 1SNA166625R2000 is an ESSAILEC current test socket designed primarily for current-transformer secondary circuits used in metering, protection and electrical testing systems.
What are the electrical ratings of the CC-E-VA-6.6?
The socket has a rated current of 15 A and a rated voltage of 400 V.
How does the automatic shorting function work?
The ESSAILEC current socket automatically shorts the appropriate current circuit during insertion of the test plug and automatically closes the circuit again when the plug is removed, helping maintain safe current-transformer secondary conditions.
What are the dimensions of the 1SNA166625R2000?
The socket measures approximately 50 mm wide × 74 mm high × 57 mm deep and has a net weight of approximately 150 g.
Which DIN rails can the CC-E-VA-6.6 be mounted on?
The socket is compatible with G32 32 × 15 mm, TH35-7.5 35 × 7.5 mm and TH35-15 35 × 15 mm mounting rails.
Trusted for Professional Current-Circuit Testing
TE Connectivity ENTRELEC ESSAILEC components provide a proven modular testing interface for current-transformer, metering and protection circuits, supporting dependable commissioning and maintenance in industrial power installations.
