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. 815-1676
Mfr. Part No.ZB2BE101
€10.44
Each
units
XB2 Contact Block 1NO - 600 V - Screw - 10 A - - -
RS Stock No. 330-9596
Mfr. Part No.ZB4BVB3
€8.20
Each
units
Harmony XB4 Light Block - Green 24 V LED Screw Yes - Yes - -
RS Stock No. 609-6827
Mfr. Part No.XENG1191
€19.39
Each
units
XENG Contact Block 1 NC, 2NO - - - - - 10 A - - -
RS Stock No. 610-2821
Mfr. Part No.ZBVB3
€6.28
Each
units
Harmony XB Light Block - Green 24 V LED Screw No - - - -
RS Stock No. 610-2815
Mfr. Part No.ZBVB1
€6.28
Each
units
Harmony XB Light Block - White 24 V LED Screw No - - - -
RS Stock No. 826-8677
Mfr. Part No.NSPULSARPRO-R
€39.66
Each
units
Pulsar - - - - - - - - - - -
RS Stock No. 330-9580
Mfr. Part No.ZB4BVB1
€8.20
Each
units
Harmony XB4 Light Block - White 24 V LED Screw Yes - Yes - -
RS Stock No. 874-2229
Mfr. Part No.3SU1400-1AA10-1CA0
BrandSiemens
€4.50
Each
units
SIRIUS ACT Contact Block 1NC - 5 → 500 V ac/dc - Screw No 10 A No - -
RS Stock No. 399-3630
Mfr. Part No.216557 & M22-LED-W
BrandEaton
€8.52
Each
units
RMQ Titan Light Block - White 12 →30 V ac/dc LED Screw No 15 mA Yes - -
RS Stock No. 511-8386
Mfr. Part No.800F-BX10
€4.61
Each
units
800F Contact Block 1NO - 600 V - Screw No - - - -
RS Stock No. 610-2893
Mfr. Part No.ZBVG1
€8.83
Each
units
Harmony XB Light Block - White 110 → 120 V LED Screw No - - - -
RS Stock No. 610-3133
Mfr. Part No.ZBV6
€3.36
Each
units
Harmony XB Light Block - - - Incandescent Screw No - - - -
RS Stock No. 399-3731
Mfr. Part No.216563 & M22-LED230-W
BrandEaton
€12.67
Each
units
M22 Light Block - White 85 → 264 V ac LED Screw No 15 mA Yes - -
RS Stock No. 609-6877
Mfr. Part No.XESD1291
€107.56
Each
units
XAC Contact Block 2NO 1CO - - - Screw No - No - -
RS Stock No. 511-8437
Mfr. Part No.800F-PN3W
€11.40
Each
units
800F Light Block - White 24 V LED Screw Yes - Yes - -
RS Stock No. 746-8967
Mfr. Part No.ZBE1016P
€17.33
Each
units
Harmony XB - - - - - - - - - - -
RS Stock No. 331-0445
Mfr. Part No.ZB5AZ101
€4.77
Each
units
Harmony XB5 Contact Block 1NO - - - Screw Yes - - - -
RS Stock No. 411-1362
Mfr. Part No.3SB3400-0C
BrandSiemens
€5.28
Each
units
Siemens 3SB3 Contact Block 1NC - - - Screw No 10 A No - -
RS Stock No. 331-0164
Mfr. Part No.ZB4BZ102
€5.29
Each
units
Harmony XB4 Contact Block 1NC - 600 V - Screw Yes - - - -
RS Stock No. 260-312
Mfr. Part No.33EAGL
BrandBACO
€10.15
Each
units
BACO Light Block - Green 24 V LED Screw No - Yes - -
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