Page 19 - Contactors_Catalogue

ABB MOTOR CONTROL AND PROTECTION FOR ROLLING STOCK APPLICATIONS 1/17
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Double-chamber cage connection terminals As this is very complex for many of the devices within the
The screw terminals can be connected with two wires with train, there are various methods of reducing the work in-
different wire diameters up to 2.5 mm². According to volved:
IEC/EN 60947-1 two rigid or fine-strand wires with ferrules • Use of multifunctional devices, in order to reduce the
up to 2.5 mm² (AWG 14) can be used. overall number of devices
• Use of push-in terminals for simple mounting and
Benefits for train constructors through push-in terminal dismantling of the devices
technology
Regular train maintenance is essential to ensure passenger The product range of single-function and multifunctional
safety. Usually, maintenance work is performed on trains af- devices, time relays, single- and three-phase monitoring re-
ter every 100,000 km (~ 62,000 miles). For example, within lays and insulation monitoring relays can combine these op-
these maintenance cycles, the train's electrical components tions. Thus, instead of individual monitoring relays, it is
are dismantled and subjected to testing. The cabling within possible to use a single multifunctional device.
the train remains intact and is used again after the testing,
in order to remount and install the appropriate components.

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Easy Connect Technology push-in terminals Tool-free mounting of wires

1SBC100601S0201
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Wiring of double-cage chamber connection terminals with screw driver