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Siemens 480V manual

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Table of contents for the manual

  • Page 1

    Siemens low-voltage metal-enclosed switchgear is used in electric power dis- tribution systems for the control and pro- tection of circuits and equipment. The switchgear employs drawout type low voltage power circuit breakers described in Section 4. L V switchgear is typically installed in: 쐍 Industrial Plants — for power and lighting networks [...]

  • Page 2

    Siemens low-voltage metal-enclosed switchgear is used in electric power dis- tribution systems for the control and pro- tection of circuits and equipment. The switchgear employs drawout type low voltage power circuit breakers described in Section 4. L V switchgear is typically installed in: 쐍 Industrial Plants — for power and lighting networks [...]

  • Page 3

    480V Metal-Enclosed Switchgear Construction Details 51 CSI Section 16470 Siemens Electrical Products and Systems Specification Guide 480V Metal-Enclosed Switchgear 4 General General The Siemens 480 volt switchgear assem- bly consists of one or more metal- enclosed, vertical sections. Normally the end sections are designed to allow for installation [...]

  • Page 4

    480V Metal-Enclosed Switchgear Construction Details General 52 CSI Section 16470 Siemens Electrical Products and Systems Specification Guide 480V Metal-Enclosed Switchgear 4 Main and Ground Bus The standard main bus is silver -plated copper . Welded aluminum is also avail- able. Provisions for future extension of aluminum main bus conductors includ[...]

  • Page 5

    Options Switchgear Mounted Hoist The hoist, optional on type R indoor switchgear , and standard on type SR outdoor switchgear , travels along rails on top of the switchgear to ease breaker handling. TOC and MOC Switches The T ruck Operated Cell (TOC) Switch provides interlocking control or remote indication of the breaker racking position. The cubi[...]

  • Page 6

    General 54 CSI Section 16470 Siemens Electrical Products and Systems Specification Guide 480V Metal-Enclosed Switchgear 4 The Siemens RL series circuit breakers are designed for up to 600 volt service with current carrying capacities of up to 5000 amperes and interrupting capacities of up to 130,000 amperes unfused or 200,000 amperes fused. These c[...]

  • Page 7

    480V Metal-Enclosed Switchgear L V Power Circuit Breakers 55 CSI Section 16470 Siemens Electrical Products and Systems Specification Guide 480V Metal-Enclosed Switchgear 4 General Ground Connection A ground contact is located on the circuit breaker to connect with the ground cir- cuit. The breaker is grounded in both the connected and test position[...]

  • Page 8

    Static T rip ® III T rip Unit Static overcurrent tripping devices have been standard on Siemens circuit break- ers for over thirty years. The Static T rip Ill trip unit features microprocessor -con- trolled tripping, while providing RMS sensing for standard overcurrent protec- tion, and optional metering and communi- cations functions. Located in [...]

  • Page 9

    57 CSI Section 16470 Siemens Electrical Products and Systems Specification Guide 480V Metal-Enclosed Switchgear 4 General RL Breaker Accessories/Modifications T ype RL circuit breakers feature several options, including: 쐍 Shunt T rip, (for MO breakers) 쐍 Operation Counter 쐍 Undervoltage T rip Device 쐍 Electrically Operated Interlock 쐍 Au[...]

  • Page 10

    480V Metal-Enclosed Switchgear L V Power Circuit Breakers General 58 CSI Section 16470 Siemens Electrical Products and Systems Specification Guide 480V Metal-Enclosed Switchgear 4 RL Breaker Accessories / Modifications (cont’d) Operation Counter A mechanically-operated, 5-digit non- resetable counter can be mounted beneath the breaker auxiliary s[...]

  • Page 11

    59 CSI Section 16470 Siemens Electrical Products and Systems Specification Guide 480V Metal-Enclosed Switchgear 4 480V Metal-Enclosed Switchgear VT , CPT , CT Data T echnical Ratio 600:120 0.6 480:120 0.6 288:120 0.6 0.6 0.6 0.6 1.2 1.2 1.2 100 100 100 WX Y Burden Accuracy Class at 60 Hz V olt-Amp Rating 150 150 150 Thermal Rating VA 50/60 50/60 50[...]

  • Page 12

    480V Metal-Enclosed Switchgear L V Power Circuit Breakers 60 CSI Section 16470 Siemens Electrical Products and Systems Specification Guide 480V Metal-Enclosed Switchgear 4 480V Metal-Enclosed Switchgear L V Power Circuit Breakers Ratings T echnical Frame Size Amperes 800 1600 2000 RL-800 600 635 2200 Breaker T ype Rated V olts Rated Max. V olts V o[...]

  • Page 13

    61 CSI Section 16470 Siemens Electrical Products and Systems Specification Guide 480V Metal-Enclosed Switchgear 4 Description T ime from Energizing Shunt T rip Coil Unit (Cycles): Contacts Part Open RL-800 RLE-800 RLI-800 RLF-800 RL-1600 & 2000 RLE-1600 & 2000 RLF-1600 & 2000 RL-4000 & 5000 RLE-4000 RLF-4000 & 5000 RL-3200 RLE-3[...]

  • Page 14

    480V Metal-Enclosed Switchgear L V Power Circuit Breakers 62 CSI Section 16470 Siemens Electrical Products and Systems Specification Guide 480V Metal-Enclosed Switchgear 4 T echnical T ime/Current Characteristics of Static T rip ® III T rip Unit[...]

  • Page 15

    63 CSI Section 16470 Siemens Electrical Products and Systems Specification Guide 480V Metal-Enclosed Switchgear 4 Siemens 480 volt switchgear can be configured in many ways by combining different section types. Up to five vertical sections plus a transition section can be shipped together as a unit. If all vertical sections are not to be shipped as[...]

  • Page 16

    64 CSI Section 16470 Siemens Electrical Products and Systems Specification Guide T ie Breaker Sections and Combinations — Front Views 480V Metal-Enclosed Switchgear Auxiliary / Breaker Section Dimensions Dimensions 480V Metal-Enclosed Switchgear 4 R30 R22 Indoor Outdoor 1000 (455) 1200 (545) 2000 (909) 2400 (1091) T able 4.21 Weight in lbs. (kg) [...]

  • Page 17

    65 CSI Section 16470 Siemens Electrical Products and Systems Specification Guide 480V Metal-Enclosed Switchgear 4 480V Metal-Enclosed Switchgear Indoor Floor Plan, Side V iew Dimensions  This transition required for liquid filled and outdoor dry type transformers only .  Cable space is 13.2 in. (335 mm) in depth for bottom entry with circuit [...]

  • Page 18

    66 CSI Section 16470 Siemens Electrical Products and Systems Specification Guide 480V Metal-Enclosed Switchgear 4 Outdoor Floor Plan 480V Metal-Enclosed Switchgear Outdoor Floor Plan, Side V iew Dimensions Dimensions in inches (mm) Dimensions in inches (mm)  Cable space is 22.4 in. (569 mm) depth for bottom entry with circuit breaker in bottom c[...]

  • Page 19

    67 CSI Section 16470 Siemens Electrical Products and Systems Specification Guide 480V Metal-Enclosed Switchgear 4 This equipment specification guide provides information for describing a typical metal enclosed low voltage power circuit breaker switchgear assembly . Items or features that are non-standard but required for a specific application are [...]

  • Page 20

    reaching over the main and vertical bus. Bus bracing shall be equal to the short circuit interrupting rating of the lowest rated non-fused circuit breaker applied in the assembly . A 0.25 in. (6 mm) by 2.00 in. (51 mm) copper ground bus will be provid- ed. Barriers shall be provided which isolate the rear cable termination compartment from the adja[...]