IS
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Catalog excerpts

Indoor Switch for Rolling Stock Type IS

The IS is a single pole off-load switch, electrically operated, and designed to be installed inside electric traction vehicles running on 25kVac and/or 15kVac networks. It is available in two main executions: disconnect switch or disconnect and earthing switch. Applications Indoor Switch for locomotives, trains and EMUs running on ac networks. Disconnect switch Application D Disconnect and earthing switch Application E Main features • Rated operational voltage 27.5 kVac • Rated free air thermal current 1000 A • Insulation level OV3 between poles and to earthed base plate • High rated...

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Technical data Application MAIN HIGH VOLTAGE CIRCUIT Rated operational voltage (1) Rated insulation voltage (1) Conventional free air thermal current (1,2) Peak and rated short-time withstand current Overvoltage category - Pole-pole - Pole-earth Rated power-frequency withstand voltage (50 Hz, 1 mn) Rated impulse withstand voltage (1.2 / 50 µs) (1) For higher values, please contact Sécheron (2) at Tamb=+40°C; test carried out with high voltage connections according to standards IEC/EN60943 LOW VOLTAGE AUXILIARY CIRCUIT Control circuit Type of operation Nominal voltage Range of voltage...

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Main dimensions Weight: 32 kg for IS25.10D The maximum allowed flatness deviation of the support frame is 1 mm. 34 kg for IS25.10E HV and earth connections: M12 screws. The DIN-ISO 2768-1 coarse tolerances are applied to these dimensions. All dimensions are in mm. IS25.10D

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Isolating distance Minimum isolating distance:

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Protecting cover for LV part Protection index: IP2x Manual operating handle In emergency situation, the switch can be manually operated by means of a handle fixed at the end of the motor axle.

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Technical information (for standard executions) Control equipment Two mechanically linked contactors stop the motor at the end of each stroke when they receive the order from the motor auxiliary contacts. Definition of the auxiliary switches Potential free switch Type: PF The contact “a” corresponds to a NO (Normally Open) contact. The contact “b” corresponds to a NC (Normally Close) contact. Part number for separately ordered items LV mobile connector Auxiliary switches Fixed connector type Mobile connector Number of pin Cable Cable Size Size entry 2.5 mm² 1.5 mm² gland Secheron's number

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Designation code (options are subject to additional costs) - Order form • Be sure to establish the designation code from the latest version of our brochure by downloading it from the website: www.secheron.com. • Be careful to write down the 15 digits for the type designation code when placing your order. • It could be, for technical reasons, that some configurations of variants and options indicated in the designation code cannot be combined. • For other configurations not described in the brochure, please contact Secheron. Product type Rated operational voltage Rated conventional free air...

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