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 Fused Colour Current Rating Number of Levels Termination Method Voltage Rating Pitch Minimum Operating Temperature Maximum Operating Temperature Hazardous Area Certification Standards Met
RS Stock No. 872-4833
BrandRS PRO
£14.42
Each
Units
17035.2 14 → 0 AWG - - Beige 170 (CSA) A, 175 (UL) A, 192 (IEC) A Double Bolt 1 kV - -40°C +120°C - -
RS Stock No. 501-667
BrandRS PRO
£2.72
Each
Units
IK 22 → 12 AWG 0.2 → 2.5mm² - Brown 24A Triple - 300 V 5mm - - - -
RS Stock No. 878-7500
BrandRS PRO
£0.971
Each (In a Pack of 10)
Units
CDU 35 10 → 2 AWG 3.5mm² - - 114 (UL/CSA) A, 125 (IEC) A Single Screw 1 kV - - - - -
RS Stock No. 913-1241
BrandRS PRO
£1.328
Each (In a Pack of 5)
Units
- 28 → 12 AWG 2.5mm² - Beige 20 (CSA) A, 20 (UL) A, 24 (IEC) A Double Spring Clamp 800 V - - - - -
RS Stock No. 878-7538
BrandRS PRO
£0.392
Each (In a Pack of 10)
Units
CDU 6 26 → 8 AWG 6mm² - - 50 (UL/CSA) A, 57 (IEC) A Single Screw 800 V - - - - -
RS Stock No. 501-714
BrandRS PRO
£5.93
Each
Units
RK 6 → 0 AWG 16 → 50mm² - Brown 150A - - 1 kV - - - - -
RS Stock No. 501-910
BrandRS PRO
£8.32
Each
Units
HSK 10 AWG - - Beige 269A Single - 1 kV - -40°C +120°C - -
RS Stock No. 501-718
BrandRS PRO
£11.39
Each
Units
RK 2 → 0000 AWG 35 → 95mm² - Brown 232A - - 1 kV - - - - -
RS Stock No. 878-7493
BrandRS PRO
£0.263
Each (In a Pack of 10)
Units
CDU 2.5 22 → 12 AWG 2.5mm² - - 20 (UL/CSA) A, 24 (IEC) A Single Screw 400 V - - - - -
RS Stock No. 763-7472
BrandRS PRO
£2.606
Each (In a Pack of 10)
Units
ZSL 20 → 10 AWG 4mm² - Green/Yellow - Single Spring Clamp - - -40°C +120°C - -
RS Stock No. 913-1223
BrandRS PRO
£0.255
Each (In a Pack of 10)
Units
- 28 → 12 AWG 2.5mm² - Blue 20 (CSA) A, 20 (UL) A, 24 (IEC) A - Screw 800 V - - - - -
RS Stock No. 501-770
BrandRS PRO
£1.138
Each (In a Pack of 10)
Units
RK 10 → 4 AWG 2.5 → 16mm² - Brown 85A - Screw 800 V - - - - -
RS Stock No. 872-4827
BrandRS PRO
£4.43
Each
Units
17150.4 22 → 11 AWG - - Black 10 (IEC) A, 16 (cUL) A, 16 (UL) A 1 Screw 600 V - -40°C +140°C - -
RS Stock No. 501-982
BrandRS PRO
£7.79
Each
Units
HSK 14 → 2 AWG - - Beige 125A Single - 1 kV - -40°C +120°C - -
RS Stock No. 501-893
BrandRS PRO
£4.42
Each
Units
IK 0.2 → 2.5 mm² 0.2 → 2.5mm² - Red 24A Triple - 24 V dc 5mm - - - -
RS Stock No. 872-4795
BrandRS PRO
£2.196
Each (In a Pack of 5)
Units
17185.2 26 → 10 AWG - - Beige 30 (CSA) A, 30 (UL) A, 41 (IEC) A Double Screw 1 kV - -40°C +120°C - -
RS Stock No. 878-7531
BrandRS PRO
£0.522
Each (In a Pack of 10)
Units
CDU 4 22 → 8 AWG 4mm² - - 32 (IEC) A, 35 (UL/CSA) A Single Screw 600 V - - - - -
RS Stock No. 763-7404
BrandRS PRO
£0.612
Each (In a Pack of 10)
Units
ZRK 20 → 12 AWG 2.5mm² - Grey 27A Single Spring Clamp 600 V - -40°C +120°C - -
RS Stock No. 913-1257
BrandRS PRO
£0.352
Each (In a Pack of 10)
Units
- 28 → 12 AWG 2.5mm² - Grey 20 A (CSA), 20 A (UL), 24 A (IEC) - - 800 V - - - - -
RS Stock No. 501-932
BrandRS PRO
£0.563
Each (In a Pack of 10)
Units
- 0.2 → 4 mm² 0.2 → 4mm² - White 32A Single - 800 V - -40°C +105°C - -
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