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 Number of Levels Current Rating Termination Method Fused Voltage Rating Pitch Minimum Operating Temperature Maximum Operating Temperature Hazardous Area Certification Standards Met
RS Stock No. 627-3737
Mfr. Part No.3044076
£0.698
Each (In a Pack of 10)
Units
UT 2.5 26 → 12 AWG 0.14 → 4mm² Grey Single 24A Screw - 1 kV - -50°C +110°C ATEX -
RS Stock No. 101-2751
Mfr. Part No.3003347
£0.743
Each (In a Pack of 10)
Units
UK 2.5 N 24 → 12 AWG 0.2 to 2.5mm² Grey Single 24A Screw - 800 V - - - ATEX -
RS Stock No. 649-0241
Mfr. Part No.3036149
£1.81
Each
Units
ST 16 24 → 4 AWG 1.5 → 25mm² Grey - 90A - - 800 V - - - - -
RS Stock No. 687-9414
Mfr. Part No.3209510
£0.659
Each (In a Pack of 10)
Units
PT 2.5 26 → 12 AWG 0.14 → 4mm² Grey Single 24A Push In - 800 V - - - - -
RS Stock No. 627-3872
Mfr. Part No.3044102
£8.23
1 Pack of 10
Pack(s)
UT 4 26 → 12 AWG 0.14 → 4mm² Grey Single 32A Screw - 1 kV - -50°C +110°C ATEX -
RS Stock No. 627-3743
Mfr. Part No.3044092
£2.38
Each (In a Pack of 10)
Units
UT 2.5-PE 26 → 12 AWG 0.14 → 4mm² Green/Yellow Single - Screw - - - -50°C +110°C ATEX -
RS Stock No. 627-1652
Mfr. Part No.3031270
£1.452
Each (In a Pack of 5)
Units
STTB 2.5 28 → 12 AWG 0.08 → 4mm² Grey Double 22A Spring Clamp - 500 V - -50°C +110°C - -
RS Stock No. 624-6915
Mfr. Part No.3044160
£1.374
Each (In a Pack of 5)
Units
UT 10 20 → 6 AWG 0.5 → 16mm² Grey Single 76A Screw - 1 kV - - - - -
RS Stock No. 869-051
Mfr. Part No.3100305
£3.86
1 Pack of 5
Pack(s)
MT 1.5 26 → 16 AWG 0.14 → 1.5mm² Grey Single 17.5A Screw Down - 400 V - - - - -
RS Stock No. 804-0299
Mfr. Part No.3034028
£0.53
Each
Units
DT 2.5 - - - - - - - - - - - - -
RS Stock No. 624-6909
Mfr. Part No.3044199
£1.72
Each (In a Pack of 5)
Units
UT 16 16 → 4 AWG 1.5 → 25mm² Grey Single 76A Screw - 1 kV - - - - -
RS Stock No. 463-3862
Mfr. Part No.3004100
£22.49
1 Pack of 5
Pack(s)
UK 5-HESI 26 → 10 AWG - Black Single 6.3A Screw Yes 500 V 8.2mm - - ATEX -
RS Stock No. 627-3894
Mfr. Part No.3044128
£2.458
Each (In a Pack of 10)
Units
UT 4-PE 26 → 10 AWG 0.14 → 6mm² Green/Yellow Single - Screw - 690 V - -50°C +110°C ATEX -
RS Stock No. 463-3890
Mfr. Part No.3104013
£3.218
Each (In a Pack of 5)
Units
MTK-P/P 24 → 12 AWG 0.2 → 2.5mm² Grey Single 16A Screw - 400 V - - - - -
RS Stock No. 687-9638
Mfr. Part No.3210567
£1.557
Each (In a Pack of 10)
Units
PTTB 2.5 0.14 → 4 mm² - Grey Double 22A Push In - 500 V - - - - -
RS Stock No. 388-4592
Mfr. Part No.3031212
£0.734
Each (In a Pack of 5)
Units
ST 2.5 28 → 12 AWG 0.2 → 6mm² Grey Single 24A Spring Clamp - 800 V - -50°C +110°C - -
RS Stock No. 101-2789
Mfr. Part No.3004362
£8.21
1 Pack of 10
Pack(s)
UK 5 N 24 → 10 AWG 0.2 → 4mm² Grey Single 32A Screw - 800 V - - - - -
RS Stock No. 804-2692
Mfr. Part No.1833014
£26.255
Each (In a Pack of 50)
Units
MCVK 1.5/16-GF-3.81 30 → 14 AWG - - - 8A Screw No 160 V 3.81mm - - - -
RS Stock No. 687-9436
Mfr. Part No.3209578
£1.061
Each (In a Pack of 10)
Units
PT 2.5-QUATTRO 26 → 12 AWG 0.14 → 4mm² Grey Single 24A Push In - 800 V - - - ATEX -
RS Stock No. 652-3335
Mfr. Part No.3118203
£6.28
Each (In a Pack of 5)
Units
UK 6-FSI/C 26 → 8 AWG - Black Single 30A Screw Yes 250 V 8.2mm - - - -