ABB Bailey 20-070-06 SAFETY PLC SYSTEM RELAY
Brand:ABB Model number:20-070-06
Country of origin: Sweden Product weight:0.4KG
HS code:8517623990
Product Details:
Product Dimensions:
Pluto is constructed in an enclosure for snap mounting on
a DIN-rail in control cabinets or other suitable enclosures.
External wiring is connected via screw terminals. To make
it easy and to avoid incorrect connection when a unit is
exchanged, the connector blocks are detachable so that
individual wires do not have to be disconnected.
Note that the power shall be off during connection and
disconnection
The system is powered by 24V DC. The system has internal overcurrent protection but should
be protected by an external fuse. (See technical data).
In installations with several Pluto units connected together via bus, they must be installed in the
same earthing system. Proper potential equalization is necessary.
The Pluto is designed for applications which fulfil IEC-EN 60204-1 and with special attention to:
- “Transformers shall be used for supplying the control circuits”.
- “Where several transformers are used, it is recommended that the windings of those
transformers be connected in such a manner that the secondary voltages are in phase”.
(see EN 60204-1, 9.1.1)
These requirements are relevant for connection of the relay outputs.
- For electrical safety reasons and in order to be able to detect safety critical earth faults in
single channel circuits, the 0V terminal must be connected to protective bonding circuit.
(see EN 60 204-1, 9.4.3.1 Method a).
The system is designed and tested for installation category II according to IEC 61010-1, (all
connected circuits are supplied via control voltage transformers).
Cables and connected devices such as sensors, pushbuttons, selector switches shall be
isolated for 250V
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Colour:new Warranty: 12 months
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