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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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Push Button Contact Blocks, Push Button Terminal Blocks | RS

Push Button Contact Blocks & Light Blocks

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EAO Push Button Contact Blocks & Light Blocks | RS

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Siemens Sirius Act | Contact and Light Blocks | RS

Siemens Sirius Act light blocks are an add-on 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. Light blocks illuminate through the button head.Siemens Sirius Act contact blocks are electrical circuit connectors that are used to turn on (make) or turn off (break) an electrical circuit. Siemens contact blocks are commonly found connected to switches, relays, and circuit breakers. Once these devices are active, the contact block allows a current to flow and complete a circuit.Powerful machines need powerful controls. SIRIUS ACT offers you a unique portfolio of elegantly designed push buttons, indicator lights and switches that are the perfect embodiment of style, intelligence, and physical toughness. Constructed with genuine metal and high-grade plastics, engineered with smart functions and communication capabilities, these new push buttons, indicator lights and switches have been extreme element tested to ensure reliability for your most mission critical operations.

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Siemens Sirius Act | Contact Blocks | RS

Siemens Sirius Act contact blocks are electrical circuit connectors that are used to turn on (make) or turn off (break) an electrical circuit. Siemens contact blocks are commonly found connected to switches, relays, and circuit breakers. Once these devices are active, the contact block allows a current to flow and complete a circuit.Powerful machines need powerful controls. SIRIUS ACT offers you a unique portfolio of elegantly designed push buttons, indicator lights and switches that are the perfect embodiment of style, intelligence, and physical toughness. Constructed with genuine metal and high-grade plastics, engineered with smart functions and communication capabilities, these new push buttons, indicator lights and switches have been extreme element tested to ensure reliability for your most mission critical operations.

Buy Siemens Sirius Act Light Block. Browse our latest Siemens Sirius Act offers. Free Next Day Delivery.

Siemens Sirius Act | Light Blocks | RS

Siemens Sirius Act light blocks are an add-on 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. Light blocks illuminate through the button head.Powerful machines need powerful controls. SIRIUS ACT offers you a unique portfolio of elegantly designed push buttons, indicator lights and switches that are the perfect embodiment of style, intelligence, and physical toughness. Constructed with genuine metal and high-grade plastics, engineered with smart functions and communication capabilities, these new push buttons, indicator lights and switches have been extreme element tested to ensure reliability for your most mission critical operations.

Siemens Sirius Act Contact Block

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