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■ Overview

Features of 5SY supplementary protectors

Easier, faster, enlarged wiring space

•Identical top and bottom terminals

•Connection of incoming cables vis-à-vis of the busbar

•Enlarged and easily accessible wiring space for the feeder cables

•Comfortable insertion of the incoming cables into the terminal

•Defined, visible and controllable connection of the feeder cables

•Universal infeed with top and bottom busbar mounting options.

Protection against contact with clear advantages

•Integrated movable terminal covers located at the feeder

cable input section

• The terminals are completely closed when screws are fully

tightened

•Effective protection against contact, also when the device is

fully grabbed

Flexible and no use of tools required

•Manually operable quick-assembly and disassembly systems

requiring no use of tools

• Fast assembly and disassembly of the 5SY supplementary protec-

tors to and from the standard mounting rail acc. to DIN EN 50 022

•All devices can be easily and comfortably replaced at any time.

Removal from the assembly

Thanks to the combination of the various features stated above,

the 5SY supplementary protectors can be easily and rapidly

removed from the assembly when circuits need to be changed -

with these devices, a removal of the busbar is no longer necessary.

Supplementary Protectors

New 5SY4 Supplementary Protectors

Siemens Energy & Automation, Inc.

Industrial Controls Catalog

12_Sec.qxd

07/28/03

10:41 AM

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