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Showing Results For: Mains Test Blocks

Mains Test Blocks

Mains test blocks are designed to provide a temporary power hub and machinery testing blocks to protect equipment from damage in the event of faulty wires or currents. These are the blocks where mains-powered devices are kept to test the equipment and the current or voltage levels without breaking the current supply. These devices are beneficial due to their make-before-break working principle, which does not require switching for manual processes. 

How do the mains test blocks work?

These test blocks work in a significantly simpler way. When the power lid cover is opened, the power disconnects, allowing secure connection of device cables via a color-coded spring piano key. Close the lid to complete the circuit between the device under test and the power supply, powering the device. In addition, for ease of live identification, various mains test connectors are available that feature neon indicator lamps for lamination purposes when the lids close. 

Types of mains test blocks:

A wide range of these blocks is categorized based on their rating, voltage, connection type, and pole count. Enrgtech offers various types that suit your desired applications. 

Typical applications of mains test blocks:

  • Due to their versatile and multipurpose nature, they are widely used in laboratories, service areas, and testbeds. 
  • They are widely utilized for transformers for testing relays in secondary circuits. 
  • They are ideal for utility components for validating calibrations and meter readings. 
  • They are widely suited to various industrial tasks, such as replacing and repairing devices without disconnecting or modifying the attached power cables

Why Enrgtech?

Enrgtech stocks various collections of mains test blocks in various sizes, voltage ratings, and mounting types. We always strive to provide state-of-the-art products that suit a wide range of potential customers’ applications. Visit our website to book orders of products at fabulous prices, delivered directly to your doorstep.


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Rohs Verified
1SNA166737R2000, Essailec
Pre Order
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1 +
£ 120.97
Rohs Verified
1SNA166546R2100, Essailec
Pre Order
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1 +
£ 18.16
10 +
£ 16.33
Rohs Verified
1SNA166747R0200, Essailec
2 In Stock
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1 +
£ 119.02
5 +
£ 107.12
Rohs Verified
1SNA166888R2100, Entrelec
Pre Order
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1 +
£ 47.70
Rohs Verified
1SNA166937R1100, Essailec
2 In Stock
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1 +
£ 32.68
10 +
£ 29.44
Rohs Verified
1SNA 166 774 R0500, Essailec
Pre Order
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Rohs Verified
1SNA167275R0200, Essailec
5 In Stock
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1 +
£ 9.08
Rohs Verified
1SNA166646R0500, Essailec
Pre Order
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£ 8.62
10 +
£ 7.77
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1SNA166578R0100, Essailec
2 In Stock
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1 +
£ 11.36
10 +
£ 10.22
Cliff Electronics
RS_827-041, Cliff Electronics
137 In Stock
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£ 37.76
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£ 35.87
50 +
£ 33.98
Essailec
Rohs Verified
CC-E-VA, Essailec
17 In Stock
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1 +
£ 103.91
5 +
£ 93.51
Rohs Verified
1SNA167932R1500, ABB
Pre Order
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£ 233.18
5 +
£ 209.85
Carroll & Meynell
Rohs Verified
CMCTV13A, Carroll & Meynell
1 In Stock
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1 +
£ 52.08
Essailec
Rohs Verified
TO-E-VA, Essailec
Pre Order
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1 +
£ 67.54
5 +
£ 60.78
Essailec
Rohs Verified
CPT-1, Essailec
1 In Stock
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1 +
£ 7.26
10 +
£ 6.55
Cliff Electronics
Rohs Verified
RS_726-0085, Cliff Electronics
67 In Stock
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£ 38.24
12 +
£ 35.94
25 +
£ 34.42
Essailec
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TC-E-VA, Essailec
5 In Stock
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1 +
£ 76.06
5 +
£ 68.46
Essailec
Rohs Verified
COR-C-1, Essailec
3 In Stock
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1 +
£ 246.80
5 +
£ 222.13
Essailec
Rohs Verified
COR-T-5, Essailec
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£ 215.73
5 +
£ 194.15
Essailec
Rohs Verified
CC-R-VA, Essailec
Pre Order
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£ 90.97
5 +
£ 81.87
Essailec
Rohs Verified
CPM-4, Essailec
5 In Stock
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£ 13.53
10 +
£ 12.19
Essailec
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FIT-1/4-D, Essailec
1 In Stock
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£ 15.60
10 +
£ 14.04
Cliff Electronics
RS_458-926, Cliff Electronics
753 In Stock
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£ 31.65
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£ 30.07
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£ 28.49
Carroll & Meynell
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CMCTVIEC, Carroll & Meynell
16 In Stock
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£ 89.24
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New Items
New items
1SNA167275R0200, Essailec

1SNA167275R0200, Essailec

Terminal Partitions & Protective Covers The partition fits the end of a terminal and doubles as an end cover and insulating barrier by extending above it. The translucent protective cover snap-fits onto the terminal partition. In addition to providing extra protection it provides space for marking purposes. Fitted covers do not provide for fingerproof terminals.
New items
CMCTV13A, Carroll & Meynell

CMCTV13A, Carroll & Meynell

Portable Variable Auto Transformers Ideal for appliance testing and supplying voltage dependent components Output voltmeter & ammeter Analogue control dial to adjust output Cable storage Output: UK 13A (BS1363A) socket, IEC socket & test sockets No waveform distortion High efficiency Accessories shown are IEC to Safeblock & IEC to 4-way connector Variable Auto Transformers Continuously variable alternating current (a.c.) output voltage Rugged construction Low operating torque High efficiency/excellent regulation Silver-plated commutator Low magnetising current No waveform distortion, smooth linear output & overload capacity Screw terminals Complete with knob and dial Warning These units do NOT provide isolation from the mains.
New items
RS_726-0085, Cliff Electronics

RS_726-0085, Cliff Electronics

Test Block Provides a safe and cost effective method of temporarily connecting mains powered equipment to a suitable power source. Ideal for many applications including laboratories, test beds, service areas etc. Features & Benefits Connection keys are electrically isolated by opening the lid Double pole switching via lid Colour coded cable clips for ease of connection Screw input terminals Bench mountable Power neon indicator Supplied complete with instructions Dimensions (mm): W 60, D 127, H 48 Available with or without mains cord: 458-926 - without cord 827-041 - with 1.5m cord + Type G BS1363 Plug 726-0085 - with 1.5m cord + Type CEE 7/7 French/German Plug Max. working voltage 240Vac 50Hz Max. working current 13A without cord 5A with cord Insulation resistance >100MΩ @ 500Vdc Withstand voltage 2000Vac 50Hz for 2 min. Cable entry 4 to 7mm Max. conductor size 2 Materials: G.P. phenolic/Polycarbonate The mains test block provides a safe and cost effective method of temporarily connecting mains powered equipment to a suitable power source. This electrical test block comes supplied with complete instructions and is simple to use. Ensuring you can test your electrical items quickly and safely. Product Application Information Ideal for many applications including laboratories, test beds and service areas. Warning Customers are advised to refer to the Electricity at Work Regulations 1989, with particular attention to regulation 10 (connections) before using these products. These test connectors are not suitable for making mains connections to equipment in domestic use as defined in the Low Voltage Electrical Equipment (Safety) Regulations 1989.
New items
COR-C-1, Essailec

COR-C-1, Essailec

Essailec Pre-Wired Plug Assemblies with IP20 Dia. 4 mm (.157" ) test plugs Prewired Essailec® plugs with Dia. 4 mm (.157" ) isolated test plugs for safe and reliable connection on the test equipment side. Available in Current and Voltage ranges, in 2 m (.078") length. With colour differentiation, dedicated coding and marking for perfect identification between Current and Voltage ranges Applications: In current and voltage transformers secondary circuits for safe and reliable: - Protection relays testing in control relay panel - Meters control and calibration - Data acquisition for network analysis With Essailec®, benefit from more than 30 years of experience and successful implementations with major worldwide utilities and OEMs Benefits: In CT secondary circuits, very high induced voltages are generated if the CT secondary circuits are opened. Equipment and users are then in danger (electrical shocks). With Essailec®, safely and simply insert the prewired plug in the socket: - Plug and play for measuring operations with the new COR-C-4 or COR-C-1. Automatic "Make before break" sequence, no cursor or screws to operate. ABB ESSAILEC® Test Blocks
New items
1SNA166737R2000, Essailec

1SNA166737R2000, Essailec

Essailec® Current Test Blocks Make before break Current range colour code: Green Body: Polycarbonate Conductive parts: Gold-plated ABB ESSAILEC® Test Blocks
New items
1SNA166888R2100, Entrelec

1SNA166888R2100, Entrelec

During normal operation, lids and covers ensure protection of the test sockets from dust and unauthorized use. According to the mounting choice, two options available: –– a lid for all types of mounting –– a cover required for base mounting ("S/DS" mounting coding) In the case of opened contacts sockets, electrical continuity covers or lids are required. The electrical continuity is provided thanks to inner pins and linking bar.
New items
RS_458-926, Cliff Electronics

RS_458-926, Cliff Electronics

Test Block Provides a safe and cost effective method of temporarily connecting mains powered equipment to a suitable power source. Ideal for many applications including laboratories, test beds, service areas etc. Features & Benefits Connection keys are electrically isolated by opening the lid Double pole switching via lid Colour coded cable clips for ease of connection Screw input terminals Bench mountable Power neon indicator Supplied complete with instructions Dimensions (mm): W 60, D 127, H 48 Available with or without mains cord: 458-926 - without cord 827-041 - with 1.5m cord + Type G BS1363 Plug 726-0085 - with 1.5m cord + Type CEE 7/7 French/German Plug Max. working voltage 240Vac 50Hz Max. working current 13A without cord 5A with cord Insulation resistance >100MΩ @ 500Vdc Withstand voltage 2000Vac 50Hz for 2 min. Cable entry 4 to 7mm Max. conductor size 2 Materials: G.P. phenolic/Polycarbonate The mains test block provides a safe and cost effective method of temporarily connecting mains powered equipment to a suitable power source. This electrical test block comes supplied with complete instructions and is simple to use. Ensuring you can test your electrical items quickly and safely. Product Application Information Ideal for many applications including laboratories, test beds and service areas. Warning Customers are advised to refer to the Electricity at Work Regulations 1989, with particular attention to regulation 10 (connections) before using these products. These test connectors are not suitable for making mains connections to equipment in domestic use as defined in the Low Voltage Electrical Equipment (Safety) Regulations 1989.
New items
1SNA166546R2100, Essailec

1SNA166546R2100, Essailec

Essailec Pre-Wired Plug Assemblies with IP20 Dia. 4 mm (.157" ) test plugs Prewired Essailec® plugs with Dia. 4 mm (.157" ) isolated test plugs for safe and reliable connection on the test equipment side. Available in Current and Voltage ranges, in 2 m (.078") length. With colour differentiation, dedicated coding and marking for perfect identification between Current and Voltage ranges Applications: In current and voltage transformers secondary circuits for safe and reliable: - Protection relays testing in control relay panel - Meters control and calibration - Data acquisition for network analysis With Essailec®, benefit from more than 30 years of experience and successful implementations with major worldwide utilities and OEMs Benefits: In CT secondary circuits, very high induced voltages are generated if the CT secondary circuits are opened. Equipment and users are then in danger (electrical shocks). With Essailec®, safely and simply insert the prewired plug in the socket: - Plug and play for measuring operations with the new COR-C-4 or COR-C-1. Automatic "Make before break" sequence, no cursor or screws to operate. ABB ESSAILEC® Test Blocks
New items
1SNA 166 774 R0500, Essailec

1SNA 166 774 R0500, Essailec

Essailec® Multicircuit Test Block Range - 10 Points Suitable applications: High density panel board wiring Alternative to large terminal strips Body: Polycarbonate Conductive parts: Silver plated ABB ESSAILEC® Test Blocks
New items
RS_827-041, Cliff Electronics

RS_827-041, Cliff Electronics

Test Block Provides a safe and cost effective method of temporarily connecting mains powered equipment to a suitable power source. Ideal for many applications including laboratories, test beds, service areas etc. Features & Benefits Connection keys are electrically isolated by opening the lid Double pole switching via lid Colour coded cable clips for ease of connection Screw input terminals Bench mountable Power neon indicator Supplied complete with instructions Dimensions (mm): W 60, D 127, H 48 Available with or without mains cord: 458-926 - without cord 827-041 - with 1.5m cord + Type G BS1363 Plug 726-0085 - with 1.5m cord + Type CEE 7/7 French/German Plug Max. working voltage 240Vac 50Hz Max. working current 13A without cord 5A with cord Insulation resistance >100MΩ @ 500Vdc Withstand voltage 2000Vac 50Hz for 2 min. Cable entry 4 to 7mm Max. conductor size 2 Materials: G.P. phenolic/Polycarbonate The mains test block provides a safe and cost effective method of temporarily connecting mains powered equipment to a suitable power source. This electrical test block comes supplied with complete instructions and is simple to use. Ensuring you can test your electrical items quickly and safely. Product Application Information Ideal for many applications including laboratories, test beds and service areas. Warning Customers are advised to refer to the Electricity at Work Regulations 1989, with particular attention to regulation 10 (connections) before using these products. These test connectors are not suitable for making mains connections to equipment in domestic use as defined in the Low Voltage Electrical Equipment (Safety) Regulations 1989.
New items
CC-R-VA, Essailec

CC-R-VA, Essailec

Current Test Block - CC-R-VA Rack mounting R tongue connection Make before break Current range colour code: GREEN Body: polycarbonate Conductive parts: gold plated ABB ESSAILEC® Test Blocks
New items
TO-E-VA, Essailec

TO-E-VA, Essailec

Essailec® Voltage Test Blocks Make before break contacts - opened / closed Voltage range colour code: Grey Body: Polycarbonate Conductive parts: Silver-plated ABB ESSAILEC® Test Blocks
FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like Mains Test Blocks and all others.
You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding Mains Test Blocks or any other product.
This depends on the Mains Test Blocks individual product and information that can be found on our website.
Yes, we offer special discounts on orders above £200 for Mains Test Blocks and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Mains Test Blocks.
Yes. We keep updating our stock frequently and if a product like Mains Test Blocks is not in stock then we will let you know.