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 43,63
Each
Units
SIRIUS ACT Contact Block 1NO - 5 → 500 V ac/dc - Screw No 10 A No - -
RS Stock No. 193-4791
Mfr. Part No.3SU1401-2BB20-3AA2
BrandSiemens
kr 251,24
Each
Units
SIRIUS ACT - - Red - LED Cage Clamp - 20 mA Yes - -
RS Stock No. 193-2367
Mfr. Part No.3SU1501-1AG40-1NA0
BrandSiemens
kr 231,60
Each
Units
SIRIUS ACT Contact Block - Green 6 ... 24 V LED Screw - - Yes - -
RS Stock No. 193-3699
Mfr. Part No.3SU1401-1BB00-3AA0
BrandSiemens
kr 94,12
Each
Units
SIRIUS ACT - - Amber - LED Cage Clamp - 20 mA Yes - -
RS Stock No. 193-2288
Mfr. Part No.3SU1401-2BH00-3AA0
BrandSiemens
kr 222,63
Each
Units
SIRIUS ACT - - Amber 24-240 V AC/DC LED Cage Clamp - 20 mA Yes - -
RS Stock No. 181-2877
Mfr. Part No.3SU1400-1AA10-3QA0
BrandSiemens
kr 192,42
Each
Units
SIRIUS ACT Contact Block SPDT - 500 V ac/dc - Cage Clamp - 10 A - - -
RS Stock No. 874-2109
Mfr. Part No.3SU1501-1AG00-1NA0
BrandSiemens
kr 217,35
Each
Units
SIRIUS ACT Contact & Light Block 1NC, 1NO Amber 6 → 24 V ac/dc LED Screw Yes 6 A Yes - -
RS Stock No. 874-2171
Mfr. Part No.3SU1500-1AA10-1BA0
BrandSiemens
kr 79,56
Each
Units
SIRIUS ACT Contact Block 1NO - 5 → 500 V ac/dc - Screw Yes 6 A No - -
RS Stock No. 193-2684
Mfr. Part No.3SU1501-1AG60-1LA0
BrandSiemens
kr 306,08
Each
Units
SIRIUS ACT Contact Block - White 6 ... 24 V LED Screw - - Yes - -
RS Stock No. 453-2882
Mfr. Part No.3SB3400-1QC
BrandSiemens
kr 119,19
Each
Units
Siemens 3SB3 Light Block - Green 110 V LED Screw No - Yes - -
RS Stock No. 193-3615
Mfr. Part No.3SU1401-1BC50-3AA0
BrandSiemens
kr 161,51
Each
Units
SIRIUS ACT - - Blue 110 V ac LED Cage Clamp - 20 mA Yes - -
RS Stock No. 193-2566
Mfr. Part No.3SU1401-1BC20-3AA0
BrandSiemens
kr 161,51
Each
Units
SIRIUS ACT - - Red 110 V ac LED Cage Clamp - 20 mA Yes - -
RS Stock No. 193-2716
Mfr. Part No.3SU1551-1AB30-3MA0
BrandSiemens
kr 289,43
Each
Units
SIRIUS ACT Contact Block - Yellow 24 ... 24 V LED Cage Clamp - - Yes - -
RS Stock No. 181-2880
Mfr. Part No.3SU1401-1BC60-3AA0
BrandSiemens
kr 161,51
Each
Units
SIRIUS ACT Light Block - White 110 V ac LED Cage Clamp - 20 mA Yes - -
RS Stock No. 193-3749
Mfr. Part No.3SU1401-2BH20-1AA0
BrandSiemens
kr 202,39
Each
Units
SIRIUS ACT - - Red 24-240 V AC/DC LED Screw - 20 mA Yes - -
RS Stock No. 193-2255
Mfr. Part No.3SU1401-2BG60-3AA0
BrandSiemens
kr 122,43
Each
Units
SIRIUS ACT - - White - LED Cage Clamp - 20 mA Yes - -
RS Stock No. 193-3745
Mfr. Part No.3SU1401-2BF30-3AA0
BrandSiemens
kr 166,50
Each
Units
SIRIUS ACT - - Yellow 230 V ac LED Cage Clamp - 20 mA Yes - -
RS Stock No. 742-9644
Mfr. Part No.3SB3403-1PA
BrandSiemens
kr 79,30
Each
Units
Siemens 3SB3 Light Block - Yellow 24 V LED Cage Clamp No - Yes - -
RS Stock No. 135-5658
Mfr. Part No.3SU1400-1AA10-1HA0
BrandSiemens
kr 131,60
Each
Units
SIRIUS ACT Contact Block NC - 5 → 500 V ac/dc - Screw - 10 A - - -
RS Stock No. 180-9512
Mfr. Part No.3SU1400-1AA10-3MA0
BrandSiemens
kr 114,66
Each
Units
3SU1 Contact Block NC - 5 → 500 V ac/dc - Cage Clamp - 10 A - - -