DIN Rail Terminal Blocks

DIN Rail terminal blocks are used to protect electrical systems against overcurrent and short-circuiting. They clip on to a DIN rail, which is a standard-size metal rail on to which terminals are mounted in a control cabinet.


How do DIN rail terminal blocks work?


DIN rail terminals are made from plastic, as this insulates the electrical current running through the terminal. Fused DIN rail terminals often have a hinged section containing the fuse, which can be opened up to stop the flow of electricity. Some are fitted with an LED blown fuse indicator to let you know when the fuse needs changing. Fused DIN rail terminals come with different fuse size inserts and may be colour coded to indicate the current rating. Non-fused work the same, just without the fuse protection.


What are fused DIN rail terminals used for?


Fused DIN rail terminals are widely used in industry and offer more protection from overcurrent than non-fused DIN rail terminals. They are usually used to protect sensors and relays.


However, both fused and non-fused can be used for applications such as:


  • Energy management
  • Power supplies
  • Lighting controllers
  • Telecommunications
  • Building management systems
  • Industrial and civil electrical installations
  • Heating and air conditioning controls

...
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Description Price Series Wire Size Cable CSA Colour Current Rating Number of Levels Termination Method Voltage Rating Pitch Minimum Operating Temperature Maximum Operating Temperature Hazardous Area Certification Standards Met Priced to Clear
RS Stock No. 815-666
BrandRS PRO
£5.15
1 Pack of 10
Pack(s)
RK 22 → 11 AWG 0.2 → 4mm² Brown 40A - Screw Down 800 V - -40°C +105°C - - -
RS Stock No. 872-5615
BrandRS PRO
£2.403
Each (In a Pack of 10)
Units
2190.2 22 → 12 AWG 4mm² Beige 16 (UL) A, 6.3 (CSA) A, 6.3 (IEC) A 1 Screw 600 V - -40°C +105°C - - -
RS Stock No. 501-803
BrandRS PRO
£0.469
Each (In a Pack of 10)
Units
- 0.2 → 4 mm² 0.2 → 4mm² Grey 32A Single - 800 V - -40°C +105°C - - -
RS Stock No. 501-639
BrandRS PRO
£0.595
Each (In a Pack of 10)
Units
- 0.2 → 2.5 mm² 0.2 → 2.5mm² Grey 24A Single - 800 V - -40°C +105°C - - -
RS Stock No. 501-837
BrandRS PRO
£2.462
Each (In a Pack of 10)
Units
SK 0.5 → 10 mm² 0.5 → 10mm² Black 10A - Screw Down 400 V 12.2mm - - - - -
RS Stock No. 815-672
BrandRS PRO
£0.515
Each (In a Pack of 10)
Units
RK 22 → 11 AWG 0.2 → 4mm² Blue 40A - Screw Down 800 V - -40°C +105°C - - -
RS Stock No. 878-7487
BrandRS PRO
£0.333
Each (In a Pack of 10)
Units
CDU 2.5 22 → 10 AWG 2.5mm² - 24A Single Screw 800 V - - - - - -
RS Stock No. 872-5628
BrandRS PRO
£1.521
Each (In a Pack of 10)
Units
1056.2 22 → 12 AWG - Green, Yellow - Single Screw - - -40°C +105°C - - -
RS Stock No. 878-7471
BrandRS PRO
£0.712
Each (In a Pack of 5)
Units
CDK 2.5 22 → 12 AWG 2.5mm² - 20 (UL/CSA) A, 24 (IEC) A Double Screw 800 V - - - - - -
RS Stock No. 878-7503
BrandRS PRO
£0.229
Each (In a Pack of 10)
Units
CDU 2.5 28 → 12 AWG 2.5mm² - 20 (UL/CSA) A, 24 (IEC) A Single Screw 800 V - - - - - -
RS Stock No. 501-720
BrandRS PRO
£0.546
Each (In a Pack of 10)
Units
- 0.2 → 4 mm² 0.2 → 4mm² Brown 32A Single - 800 V - -40°C +105°C - - -
RS Stock No. 872-5612
BrandRS PRO
£0.488
Each (In a Pack of 5)
Units
1015.2 22 → 10 AWG - Beige 30 (UL) A, 32 (IEC) A, 40 (CSA) A Single Screw 500 V - -40°C +105°C - - -
RS Stock No. 815-694
BrandRS PRO
£0.758
Each (In a Pack of 10)
Units
RK 22 → 8 AWG 0.2 → 10mm² Brown 65A - Screw Down 800 V - -40°C +105°C - - -
RS Stock No. 878-7519
BrandRS PRO
£0.283
Each (In a Pack of 10)
Units
CDU 4 22 → 8 AWG 4mm² - 32 (IEC) A, 35 (UL/CSA) A Single Screw 800 V - - - - - -
RS Stock No. 878-7512
BrandRS PRO
£0.214
Each (In a Pack of 10)
Units
CDU 4 22 → 10 AWG 4mm² - 30A Single Screw 400 V - - - - - -
RS Stock No. 872-5619
BrandRS PRO
£2.054
Each (In a Pack of 5)
Units
2268.2 22 → 14 AWG - Beige 20 (CSA) A, 20 (CSAus) A, 24 (IEC) A Triple Screw 300 V - -40°C +105°C - - -
RS Stock No. 815-701
BrandRS PRO
£1.297
Each (In a Pack of 10)
Units
RKD 22 → 12 AWG 0.5 → 4mm² Brown 32A Double Screw Down 500 V - -40°C +105°C - - -
RS Stock No. 878-7483
BrandRS PRO
£0.483
Each (In a Pack of 10)
Units
CDK 4 22 → 10 AWG 4mm² - 30 (UL/CSA) A, 32 (IEC) A Double Screw 800 V - - - - - -
RS Stock No. 384-6994
BrandRS PRO
£2.222
Each (In a Pack of 5)
Units
WKN 12 → 4 AWG 16mm² Grey 71A Single Screw Down 1 kV - - - - - -
RS Stock No. 872-5603
BrandRS PRO
£0.434
Each (In a Pack of 10)
Units
1296.2 22 → 12 AWG - Beige 20 (cUL) A, 20 (UL) A, 24 (IEC) A Single Screw 800 V - -40°C +105°C - - -