Mains Test Blocks

Mains test blocks are temporary power hubs where mains-powered equipment can be plugged into to test equipment. These blocks are also used to test the current and voltage levels of power circuits.


Mains test blocks have plug-and-play attributes where the current can be tested without cutting the power supply. The test blocks operate on a make-before-break principle where the short-circuiting of the current transformers automatically occurs without requiring a switch for manual operation.


What are mains test blocks used for?


Mains test blocks are used for the testing of machinery to prevent damage to equipment if there are faulty currents or wires. These blocks are often used in laboratories, testbeds and service areas.


Mains test blocks are used in transformers to test protection relays of secondary circuits. Test blocks are also applied to utility components to validate meter readings and calibrations. In factories, mains test blocks are also used to repair and replace equipment without having to disconnect or modify the power cable attached.


Types of mains test blocks


Mains test blocks are categorised by voltage, rating, connection type and pole count.


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Afficher 1 - 20 des 25 produits
Nombre de résultats par page
Description Prix Type Voltage Rating Cable Entry Circuit Type Contact Configuration Corded Mounting Type Cable Length Connection Type Width Height Depth Colour Maximum Supported Cable
N° de stock RS 811-2274
MarqueRS PRO
62,78 €
Each
Unité
- 440 V ac - - - - - - - 100mm 49mm 160mm - -
N° de stock RS 199-4816
MarqueRS PRO
39,06 €
Each
Unité
Lid 250 V ac, 24 V dc - Voltage Normally Open - Surface Mount - - - - - - -
N° de stock RS 199-4813
MarqueRS PRO
62,78 €
Each
Unité
Lid 440 V ac - Voltage Normally Open - Surface Mount - Quick Connect - - - - -
N° de stock RS 458-926
39,82 €
Each
Unité
- 240 V ac 4 → 7mm - - - - - - 60mm 48mm 127mm - 7mm
N° de stock RS 827-041
46,11 €
Each
Unité
- 240 V ac 4 → 7mm - - Yes - 1.5m - 60mm 48mm 127mm - 7mm
N° de stock RS 399-6178
Référence fabricantCMCTVIEC
45,65 €
Each
Unité
- - - - - - - - - - - - - -
N° de stock RS 726-0085
47,38 €
Each
Unité
- 240 V ac 4 → 7mm - - Yes - 1.5m - 60mm 48mm 127mm - 7mm
N° de stock RS 399-6184
Référence fabricantCMCTV13A
27,80 €
Each
Unité
- - - - - - - - - - - - - -
N° de stock RS 804-0766
Référence fabricant1SNA166737R2000
MarqueEssailec
172,50 €
Each
Unité
- 400 V 0.34 → 10 (Wire Size) mm² - - - - - - 50mm 74mm 57mm - 10 mm²
N° de stock RS 804-0826
Référence fabricant1SNA166646R0500
MarqueEssailec
12,29 €
Each
Unité
- 400 V - - - - - - - 49mm 73mm 30mm - -
N° de stock RS 804-0810
Référence fabricant1SNA166937R1100
MarqueEssailec
44,39 €
Each
Unité
- 400 V - - - - - - - 44mm 63mm 122mm - -
N° de stock RS 181-0478
Référence fabricant1SNA166941R2500
MarqueEntrelec
230,93 €
Each
Unité
Current Socket 400 V - Current - - DIN Rail Mount - Ring Tongue 44mm 63mm 80mm Green -
N° de stock RS 804-0775
Référence fabricant1SNA166625R2000
MarqueEssailec
154,82 €
Each
Unité
- 400 V 0.34 → 10 (Wire Size) mm² - - - - - - 50mm 74mm 57mm - 10 mm²
N° de stock RS 804-0750
Référence fabricant1SNA 16623 R1200
MarqueEssailec
155,24 €
Each
Unité
- 400 V 0.34 → 10 (Wire Size) mm² - - - - - - 44mm 63mm 40mm - 10 mm²
N° de stock RS 181-0479
Référence fabricant1SNA166888R2100
MarqueEntrelec
42,46 €
Each
Unité
Protecting Cover - - - - - DIN Rail Mount - - 49mm 73mm 30mm - -
N° de stock RS 804-0794
Référence fabricant1SNA166745R0000
MarqueEssailec
109,55 €
Each
Unité
- 400 V 0.34 → 10 (Wire Size) mm² - - - - - - 50mm 74mm 57mm - 10 mm²
N° de stock RS 804-0804
Référence fabricant1SNA166627R2200
MarqueEssailec
124,45 €
Each
Unité
- 400 V 0.34 → 10 (Wire Size) mm² - - - - - - 50mm 74mm 57mm - 10 mm²
N° de stock RS 804-0813
Référence fabricant1SNA167935R1000
MarqueABB
183,02 €
Each
Unité
- 400 V - - - - - - - 44mm 63mm 2232mm - -
N° de stock RS 804-0807
Référence fabricant1SNA166546R2100
MarqueEssailec
25,89 €
Each
Unité
- 400 V - - - - - - - 44mm - 83.5mm - -
N° de stock RS 804-0772
Référence fabricant1SNA167937R0000
MarqueEssailec
154,16 €
Each
Unité
- 400 V - - - - - - - 44mm 63mm 55mm - -