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What are the maximum permitted loads in Watts for multiple electronic dimmer modules in a single enclosure?
Front plate gang size 2 3 4 6 8 9 12 18 24 Per row (max rating W) 400 480 480 480 480 480 480 480 480 Total plate (max rating W) 400 480 480 740 740...
What is the recommended maximum spacing between fixings when installing 20mm or 25mm conduit?
Conduit is installed using saddles, spacer bar saddles or quick clip fixings.  The recommended maximum spacing between fixings is 1m.  It is advisable...
What is the part number for a potentiometer to control Schneider Electric Altivar variable speed drives (VSDs) ?
The recommended specification for potentiometers compatible across our range of drives ATV12, ATV212, ATV320, ATV630 and ATV930 ( and the legacy ranges...
How many inputs/outputs can be managed by the Twido TWDLMDA20DRT modular base?
  The Twido TWDLMDA20DRT modular base manages a maximum of 7 I/O modules, i.e.: 132 I/O from expansion modules with screw terminals, 188 I/O from...
How can I solve an OBF fault on ATV58?
If the drive indicates the OBF fault  it is caused by over braking. This is caused when the drive's DC bus voltage exceeds the permitted voltage threshold...
What is the best dimension of exchange tables in IO scanning, for ATV variable speed drives equipped with an Ethernet card?
ATV38, ATV58, ATV61,ATV71,ATV600 and ATV900 drives have an IO Scanning table which can be used to predefine an exchange table of 10 input words and...
How to find Sphere Wireless Lighting Instruction Manual?
The Instruction Manual can be downloaded from attachment. Please note that this product is no longer available and we currently have no alternative...
Can I mount a Momentum PLC vertically?
We only recommend mounting a Momentum PLC in its intended upright orientation as shown below. Any other type of mounting affects the heat dissipation...
Are Loadcentre Distribution Boards still available?
Production of our original range of Loadcentre distribution boards ceased in 1999. However, we are able to continue to supply outgoing devices for...
What is High Integrity Earthing?
Description found in BS7671 18th Edition Regulation 543.7.1.203 "The wiring of of every final circuitand distribution circuit intened to supply one...
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