What does light or dark switching mean when referring to photo electric...

Please note - As of 01/09/23 the Telemecanique Sensors range is no longer part of Schneider Electric. This FAQ is now for reference only. For further information and contact details for Telemecanique...

What is the meaning of the utilisation categories AC1 and AC3 for the...

The standard utilisation categories defines the current making and breaking values for contactors. They depend on the following: The type of load to be controlled (squirrel cage or slip ring motor,...

Can 80A or 100A miniature circuit breakers be fitted onto the outgoing...

The Acti9 Isobar Distribution Boards outgoing ways are designed to be fitted with iC60H MCB's up to and including 63A. MCB's rated at 80A and above are physically larger and do not fit the...

What is a Shunt Trip MX used for?

A Shunt Trip coil is used to remotely trip a circuit breaker and some switch disconnectors. Schneider Electric uses the abbreviation MX or iMX for Shunt Trip coils. A Shunt Trip coil has to have a...

Can the new Easy9 and Easy9+ MCB's and RCBO's fit the older Domae consumer...

Yes, both the Easy9 and Easy9+ MCB's and RCBO's will fit the older Domae consumer unit and any of the older Domae range of consumer units. Examples of Domea consumer units below; DOM2CU...

What is the cabling diagram for the SR1CBL01 cable?

The SR1CBL01 is the programming cable to be use with the Zelio Relay SR1. To be able to connect first generation Zelio programmable relays (part number SR 1xx) to a PC supporting the ZelioSoft...

What is the pin-out of the cable XBTZ915?

Below is the pin-out of cable XBTZ915

In a star-delta starter, how can I incorporate a thermal overload relay as...

Only tests carried out by accredited laboratories allow the announcement that a combination of equipment can protect the installation according to type 1, type 2 or total coordination. These...

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Learn more through our General Knowledge FAQsGeneral Knowledge
How can I cable to the PNP and NPN type outputs for sensors / detectors,...

PNP and NPN type outputs are available as 3-wire sensors with a DC voltage power supply (the voltage limits are dependent on the specific sensor): PNP type: switching on the positive voltage load NPN...

What are the differences between snap-action and slow-break contacts in...

Note we no longer sell limit switches so the information given below is for information purposes only. You may still be able to buy Telemecanique limit switches (and some 9007 etc. ex-Schneider...

How does the "Dead man's switch" or "Dead man's handle" position work on a...

Please note that we no longer sell joysticks, so this FAQ is for information only. Technological description The handle grip comprises a fixed part (lower section) and a moving part (upper section)....

What is the difference between the REFLEX mode and the POLARISED REFLEX...

Note that we no longer sell these devices, this FAQ is for information only. Both systems comprise a transmitter and receiver (usually within a single-body sensor), and a reflector. The transmitter...

What is the difference between PNP and NPN when describing 3 wire...

Most industrial proximity sensors (inductive, capacitive, ultrasonic and photo electric) are solid state. The term solid state refers to the type of components used within the sensor. Solid state...

What size overload do I use with a star delta starter ?

In the majority of cases, the overload of a star delta starter is fitted below the delta contactor with wiring connections to one side of each of the motor windings. The other side of the windings...

What are the differences between 220VAC, 230VAC and 240VAC Mains Supplies...

For many years, mainland Western Europe has used a mains electricity supply rated at nominally 220VAC 50Hz while the UK used 240VAC 50Hz. In 1994, the European Union state members decided to proceed...

What are the differences between 380V AC, 400V AC and 415V AC mains...

For many years, mainland Western Europe has used a mains 3 phase electricity supply nominally rated at 380V AC 50Hz while the UK used 415V AC 50Hz. Currently, all Western European 3 phase supplies...

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