Contact Blocks & Light Blocks

Contact Blocks
A contact block is an electrical circuit connector that is used to turn on (make) or turn off (break) an electrical circuit. Contact blocks are commonly found connected to switches, relays and circuit breakers, once these devices are active the contact block allows current to flow and complete a circuit.
Types of Contact Block
Contact blocks are usually designed as an accessory to fit a specific device, therefore matching the correct contact block and device are essential. The contact blocks are available with a wide range of contact configurations that allow the main device to change a circuit in many different ways. Typical contact configurations available are:
• 1NO (One normally open contact)
• 1NC (One normally closed contact)
• 1NO/1NC (One normally open and one normally closed)
• 2NO (Two normally open contact)
• 2NC (Two normally closed contact)
• 2NO/2NC (Two normally open and two normally closed)

Light Blocks
Push button light blocks are an addon block that mount to the rear of a push button switch alongside the contact blocks to act as an indicator light. The light blocks are turned on when the push button is pressed and illuminate through the button head.
Types of Light Block
Light blocks are available in two types:
• LED - These light blocks feature a fixed bright LED that is designed to last the lifetime of the push button. LED light blocks are available in a variety of colours to match the button colour.
• Incandescent - These light blocks feature a changeable incandescent bulb. The bulbs produce a white light that shines through the button head to produce the required colour.

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Description Price Series Block Type Contact Configuration Illumination Colour Voltage Rating Illumination Type Terminal Type Body/Fixing Collar Included Current Rating LED Included For Use With Accessory Type
RS Stock No. 874-2210
Mfr. Part No.3SU1400-1AA10-1BA0
BrandSiemens
kr 26,89
Each
Units
SIRIUS ACT Contact Block 1NO - 5 → 500 V ac/dc - Screw No 10 A No - -
RS Stock No. 411-1362
Mfr. Part No.3SB3400-0C
BrandSiemens
kr 46,41
Each
Units
Siemens 3SB3 Contact Block 1NC - - - Screw No 10 A No - -
RS Stock No. 411-1340
Mfr. Part No.3SB3400-0B
BrandSiemens
kr 46,41
Each
Units
Siemens 3SB3 Contact Block 1NO - - - Screw No 10 A - - -
RS Stock No. 411-1946
Mfr. Part No.3SB3400-1PB
BrandSiemens
kr 66,61
Each
Units
Siemens 3SB3 Light Block - Red 24 V LED Screw No - Yes - -
RS Stock No. 411-1930
Mfr. Part No.3SB3400-1PC
BrandSiemens
kr 66,61
Each
Units
Siemens 3SB3 Light Block - Green 24 V LED Screw No - Yes - -
RS Stock No. 411-2006
Mfr. Part No.3SB3400-0E
BrandSiemens
kr 97,86
Each
Units
Siemens 3SB3 Contact Block 2NC - - - Screw No 10 A - - -
RS Stock No. 411-1902
Mfr. Part No.3SB3400-1PE
BrandSiemens
kr 66,61
Each
Units
Siemens 3SB3 Light Block - White 24 V LED Screw No - Yes - -
New
RS Stock No. 193-3808
Mfr. Part No.3SU1401-2BB40-1AA1
BrandSiemens
kr 346,96
Each
Units
- Light Block - Green 24-240 V AC/DC LED Screw - 20 mA Yes - -
RS Stock No. 135-5660
Mfr. Part No.3SU1401-1BB20-3AA0
BrandSiemens
kr 107,83
Each
Units
SIRIUS ACT Light Block - Red 24 V ac/dc LED Cage Clamp - - Yes - -
RS Stock No. 742-9653
Mfr. Part No.3SB3403-1QD
BrandSiemens
kr 142,75
Each
Units
Siemens 3SB3 Light Block - Blue 110 V LED Cage Clamp No - Yes - -
New
RS Stock No. 193-2270
Mfr. Part No.3SU1401-2BC60-1AA0
BrandSiemens
kr 170,47
Each
Units
SIRIUS ACT - - White 110 V ac LED Screw - 20 mA Yes - -
RS Stock No. 135-5661
Mfr. Part No.3SU1401-1BB30-3AA0
BrandSiemens
kr 107,83
Each
Units
SIRIUS ACT Light Block - Yellow 24 V ac/dc LED Cage Clamp - - Yes - -
New
RS Stock No. 193-2286
Mfr. Part No.3SU1401-2BF20-1AA0
BrandSiemens
kr 170,47
Each
Units
SIRIUS ACT - - Red 230 V ac LED Screw - 20 mA Yes - -
RS Stock No. 180-9511
Mfr. Part No.3SU1400-1AA10-3LA0
BrandSiemens
kr 114,65
Each
Units
3SU1 Contact Block 1NO - 5 → 500 V ac/dc - Cage Clamp - 10 A - - -
New
RS Stock No. 193-2271
Mfr. Part No.3SU1401-2BH30-1AA0
BrandSiemens
kr 202,38
Each
Units
SIRIUS ACT - - Yellow 24-240 V AC/DC LED Screw - 20 mA Yes - -
New
RS Stock No. 193-2211
Mfr. Part No.3SU1401-1BB60-1AA2
BrandSiemens
kr 214,34
Each
Units
SIRIUS ACT - - White - LED Screw - 20 mA Yes - -
New
RS Stock No. 193-4750
Mfr. Part No.3SU1551-1AB20-3MA0
BrandSiemens
kr 269,19
Each
Units
SIRIUS ACT Contact Block - Red 24 ... 24 V LED Cage Clamp - - Yes - -
New
RS Stock No. 193-3757
Mfr. Part No.3SU1401-2BH40-3AA0
BrandSiemens
kr 199,40
Each
Units
SIRIUS ACT - - Green 24-240 V AC/DC LED Cage Clamp - 20 mA Yes - -
New
RS Stock No. 193-2287
Mfr. Part No.3SU1401-2BF30-1AA0
BrandSiemens
kr 170,47
Each
Units
SIRIUS ACT - - Yellow 230 V ac LED Screw - 20 mA Yes - -
RS Stock No. 135-5668
Mfr. Part No.3SU1401-1BH40-1AA0
BrandSiemens
kr 209,95
Each
Units
SIRIUS ACT Light Block - Green 24 → 240 V ac/dc LED Screw - - Yes - -