Technicolor - Thomson TS 870 service manual

Models: TS 870

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TS 870 TRANSFER SWITCH

200A, over current protection is non-adjustable thermal-magnetic type trip units. For transfer switches rated 400A through 1200A over current protection is adjustable electronic type with long time & instantaneous trip unit elements with optional ground fault protection elements.

Note: Ground fault protection is supplied as standard on 1000A and 1200A transfer switches that are used on systems greater than 240V.

An upstream over current protection device is required on the generator source which feeds the TS 870 Transfer Switch if integral over current protection option is not specified on the ATS.

Note: For models of transfer switch with adjustable integral over current protection trip units, the over current protection must be set prior to operation. The equipment will be shipped from the factory with a long-time current setting of 100% (of the equipment rating) and maximum instantaneous/short-time current and time delay settings.

WARNING!

Do Not Energize this equipment until device settings have been verified to ensure proper system protection & coordination. Failure to do so may result in equipment failure.

Refer to Section 4.1 Product Model Code for types of integral over current protection which are supplied with the transfer switch.

PM062 REV 5 08/05/05

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Page 18
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Technicolor - Thomson TS 870 service manual