Circuit-Breaker Design

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1 8PT2751 CircuitBreaker Design Contents Page ACB Circuitbreaker design with 3W. Incoming feeder, couplers and outgoing feeder cubicles 4/2 General 4/2 Structure and Functions 4/2 Auxiliary Compartment 4/2 Installation of Instruments 4/3 Cable/Bar Connection Compartment 4/3 Forms of Internal Separation/Doors 4/4 ShortCircuit and Earthing Facilities 4/4 Selecting Connection Bars for PE, N, PE/N and PEN 4/4 Rated Currents for 1 CircuitBreaker/ with 3WN 4/5 Rated Currents for 2 CircuitBreakers/ with 3WN 4/5 Rated Currents for 3 CircuitBreakers/ with 3WN 4/6 Space Requirement for 3 and 4 pole 3WN CircuitBreakers 4/7 Rated Currents for 1 CircuitBreaker/ with 4/8 Rated Currents for 2 CircuitBreaker/ with 4/8 Rated Currents for 3 CircuitBreaker/ with 4/9 Space Requirement for 3 and 4 pole CircuitBreakers 4/10 MCCB Circuitbreaker design with Incoming Feeder and Outgoing Feeder s 4/10 Technical Description 4/11 Rated Currents 4/12 Space Requirement 4/12 Dimension drawing for bar connection 4/13 (Busbar connection from top) Siemens SIVACON 8PT 12/2003 4/1

2 CircuitBreaker Design 8PT2751 General The circuitbreaker systems comprise cubicle types that are used exclusively for the incoming feeder into the switchboard and for outgoing feeders and couplings. Structure and Functions The following cubicle types are available depending on function, switchgear rated currents and required shortcircuit strength: (minimum cubicle depths) 630 A 3200 A 630 A 6300 A 2000 A 2500 A 630 A 1600 A Auxiliary Compartment There are available typespecific auxiliary compart ments to integrate additional devices, e.g. for interlocking devices. type with 1 circuitbreaker/cubicle: cross wiring compartment (optional) auxiliary compartment switching device compartment cable connection compartment / /1200 FCB1 FCB2 FCB3 BC FCB2BC 800 The auxiliary compartment is installed separately from the switching device compartment, independent of the form of internal separation. Switching device panel structure and dimensions: 630 A 3200 A 630 A 6300 A 2000 A 2500 A 630 A 1600 A frame door b a type / 800 FCB1 FCB2 FCB3 BC FCB2BC Function optional: Incoming feeder coupling outgoing feeder optional: incoming feeder and coupling 2 x incoming feeder/ outgoing feeder incoming feeder outgoing feeder 1200 Installation type optional: withdrawable fixedmounted optional: withdrawable fixedmounted optional: withdrawable fixedmounted Size / Rated current 3WN size I IV A size I size III A size II A size I A 1 Terminal blocks 2 Mounting rail 3 Wiring duct a b c type with 2 circuitbreakers/cubicle: crosswiring compartment (optional) auxiliary compartment cable connection compartment a c b 1000 mm 4/2 Siemens SIVACON 8PT 12/2003

3 8PT2751 Dimensions [mm] 3WN a b c a b c 3pol pol pol pol View from top: CircuitBreaker Design cable connection compartment auxiliary compartment crosswiring compartment (optional) auxiliary compartment b Dimensions [mm] a b c switching device compartment a' c Switching device panel structure and dimensions: frame door There is available a Ltype auxiliary compartment for the integration of terminal blocks. Installation of Instruments a 1 Terminal blocks 2 Mounting rail 3 Wiring duct b a b c type with 3 circuitbreakers/cubicle: A swingout type compartment for auxiliary devices located in front of the cable termination busbars is added to every circuitbreaker compartment. cross wiring compartment (optional) The instruments are located in the door in front of the belonging auxiliary device unit. ATTENTION: With cubicle type 3 ACB/cubicle installation of multiple or big size devices is restricted and may influence dimension "C" of the auxiliary devices. If necessary apply cubicle type 1 ACB/ cubicle. With cubicle type 1 ACB/cubicle and function bus coupling the standard location of the auxiliary device unit is below the ACB compartment. Instruments with little depth can be located above the ACB as before. Cable/Bar Connection Compartment Possibilities of connecting cables to 3W. circuitbreakers: Crosssection Number of connectable cable crosssections depending on rated current 3½conductor [mm 2 ] 630 A 800 A 1000 A 1250 A 1600 A up to ) 6 1) 3½conductor [mm 2 ] 2000 A 2500 A 3200 A 4000 A 5000 A up to ) 3½conductor [mm 2 ] 6300A 2) up to cable connection compartment auxiliary compartment 1) 2) 3 ACB/cubicle restrictedly with cable from below, there max. amount of cables per cubicle is 14 pieces Incoming feeders/outgoing feeders of circuitbreakers > 4000 A are always effected with bar connection According to the standards, only busbar connection from top can be projectplanned. Siemens SIVACON 8PT 12/2003 4/3

CircuitBreaker Design Forms of Internal Separation/Doors With SIVACON there exist various executions of the forms of internal separation according to the requirements (detailed description see

4 CircuitBreaker Design Forms of Internal Separation/Doors With SIVACON there exist various executions of the forms of internal separation according to the requirements (detailed description see chapter "General", page 11). 8PT2751 Shorting bar Stud The following door designs can be used depending on the form of internal separation: Form 1 Form 2b Form 3a Form 1 Form 1 Form 4b Form 3a Form 3a (not at BC) un IP54 (A 150 mm deep plexiglass cover is necessary when using circuitbreaker). IP42 Earthing cable Earthing terminal Shorting and earthing accessories ShortCircuit and Earthing Facilities The following possibilities of shortcircuiting and earthing are available depending on cubicle type: Shortcircuiting and earthing accessories on the connection end (with type 1 ACB/cubicle): Shortcircuit strength max. 100 ka Studs (see figure above) are required at the point to be earthed. The studs are secured in the front of the connection compartment on the connection bars. Withdrawable shorting and earthing unit on the connection or busbar end (with withdrawable type): The withdrawable shorting and earthing unit consists of the 3W. circuitbreaker housing and features contact blades that are connected to the shorting jumper. Depending on the version, the shorting jumpers are located at the top and/or bottom. The earthing and shortcircuit connections are already established on insertion of the withdrawable unit. It is imperative to verify dead state before cranking in the withdrawable unit! Selecting Connection Bars for PE, N, PE/N and PEN Depending on the type of ledin cable used, it must be connected to the individual bars in the cabinet via connection bars: Type of ledin cable PE PEN PE + N PEN Type of bar in the cabinet PE PEN PE + N PE/N* *) One N conductor is branched off from the ledin PEN conductor to create the PE/N function. Busbars are connected to the relevant horizontal PE and N bars via bars. At the same time, the PE and N bars are connected in the cubicle via an isolating lug. 4/4 Siemens SIVACON 8PT 12/2003

5 8PT2751 CircuitBreaker Design Rated Currents for 1 CircuitBreaker/ with 3WN Rated currents I n as a function of ambient temperature 3WN Incoming feeder or outgoing feeder function Non Ventilated Type Rated WN WN WN WN WN WN WN WN WN WN WN WN Rated currents I n as a function of ambient temperature 3WN Coupling function Non Ventilated Type Rated WN WN WN WN WN WN WN WN WN WN WN Rated Currents for 2 CircuitBreakers/ with 3WN With cubicle type 2 ACB/cubicle the rated currents are specified according the installation position of the circuitbreaker. Rated currents I n as a function of ambient temperature 3WN Incoming feeder or outgoing feeder or coupling function Non Ventilated Type Rated Installation position top WN WN Installation position below WN WN Siemens SIVACON 8PT 12/2003 4/5

6 CircuitBreaker Design 8PT2751 Rated Currents for 3 CircuitBreakers/ with 3WN With cubicle type 3 ACB/cubicle the rated currents are specified according the installation position of the circuitbreaker. ATTENTION: Consider the rated current of the vertical busbars while projecting the cubicle! Rated currents I n with vertical busbars as a functions of ambient temperature and installation position Installation position non S below, middle, top S below, middle Rated currents I n as a function of ambient temperature 3WN Installation position optional non Type Rated WN WN WN Installation position top WN WN Installation position middle WN WN Installation position below WN WN EXAMPLE 1: Ventilated cubicle 35 C ambient temperature Rated diversity factor = 1 (according to IEC , item 4.7) ACB type 3WN64 rated current 1100 A 3WN64 3WN A 1600 A 2700 A (S below, middle max A) 3800 A (Σ below, middle, top max A) EXAMPLE 2: Ventilated cubicle 35 C ambient temperature Rated diversity factor = 1 (according to IEC , item 4.7) ACB type rated current 3WN A 3WN63 3WN A 1250 A 2500 A (S below, middle max A) 3750 A (Σ below, middle, top max A) EXAMPLE 3: Ventilated cubicle 35 C ambient temperature Rated diversity factor = 0,9 (according to IEC , item 4.7) ACB type 3WN64 rated current 1250 A 3WN64 3WN A 1600 A 2950 A x 0,9= 2655 A (S below, middle max A) 4200 A x 0,9 = 3780 A (Σ below, middle, top max A) 4/6 Siemens SIVACON 8PT 12/2003

7 8PT2751 CircuitBreaker Design Space Requirement for 3 and 4 pole 3WN CircuitBreakers Type 3WN60 3WN61 3WN62 3WN63 3WN64 3WN65 3WN66 3WN67 3WN17 3WN18 3WN18 3WN19 3WN19 3pol. 3pol. 4pol. 3pol. Rated circuitbreaker / cubicle with 3WN (coupling ) up to 2 x... x (800/1000)* up to 3 x... x (1000/1200)* 800 (1000/1200)* (coupling ) up to 2 x... x up to 3 x... x circuitbreakers / cubicle with 3WN 1000 up to 3 x... x (1000/1200)* 800 up to 3 x... x circuitbreakers / cubicle with 3WN 1000/1200 up to 3 x... x (1000/1200)* 600 up to 3 x... x *) Values in brackets are valid for cable incoming feeder from top Siemens SIVACON 8PT 12/2003 4/7

8 CircuitBreaker Design 8PT2751 Rated Currents for 1 CircuitBreaker/ with Rated currents I n depending on ambient temperature Function incoming supply or outgoing feeder un Type Rated Rated currents I n depending on ambient temperature Function longitudinal coupler un Type Rated Rated currents for 2 circuitbreakers/cubicle with With cubicle type 2 ACB/cubicle the rated currents are specified according to the installation position of the circuitbreaker. Attention: max. Icw = 65 ka,1s at cable connection rear Rated currents I n depending on ambient temperature Function incoming feeder or outgoing feeder Un Type Rated Installation position at top Installation position below Rated currents I n depending on ambient temperature Function incoming feeder or outgoing feeder and coupler Not Type Rated Installation position at top (coupler) Installation position below (incoming feeder or outgoing feeder) /8 Siemens SIVACON 8PT 12/2003

9 8PT2751 CircuitBreaker Design Rated currents for 3 circuitbreakers/cubicle with No test results are available for yet; The rated currents were taken over from 3WN With cubicle type 3 ACB/cubicle the rated currents are specified according the installation position of the circuitbreaker. ATTENTION: Consider the rated current of the vertical busbars while projecting the cubicle! Rated currents I n with vertical busbars as a functions of ambient temperature and installation position Installation position un S below, middle, top S below, middle Rated currents I n depending on ambient temperature Installation position optional un Type Rated Installation position top Installation position middle WN Installation position below EXAMPLE 1: cubicle 35 C ambient temperature Rated diversity factor = 1 (IEC item 4.7) ACB type 1116 Rated current in cubicle 1100 A A 1600 A 2700 A (S below, middle max A) 3800 A (Σ below, middle, top max A) EXAMPLE 2: cubicle 35 C ambient temperature Rated diversity factor = 1 (according to IEC item 4.7) ACB type Rated current in cubicle A A 1250 A 2500 A (S below, middle max A) 3750 A (S below, middle, top max A) EXAMPLE 3: cubicle 35 C Ambient temperature Rated diversity factor = 0,9 (according to IEC item 4.7) ACB type 1116 Rated current in cubicle 1250 A A 1600 A 2950 A x 0,9= 2655 A (S below, middle max A) 4200 A x 0,9 = 3780 A (S below, middle, top max A) Siemens SIVACON 8PT 12/2003 4/9

10 CircuitBreaker Design 8PT2751 Space Requirement for 3 and 4 pole CircuitBreakers Type Rated circuitbreaker cubicle with 400 1) 2) / ) 2) / ) 2) / ) 2) 10002) 1000 (BC = ) up to 2 x... x (800/1000)* up to 3 x... x (1000/1200)* up to 2 x... x up to 3 x... x circuitbreakers / cubicle with 800 (1000/1200)* 800 (1000/1200)** 400 1) 2) / ) 2) / ) 2) / ) 2) 10002) / 1000 in planning up to 3 x... x (1000/1200)* 600 1) / 800 up to 3 x... x circuitbreakers / cubicle with 1000/1200 up to 3 x... x (1000/1200)* 600 up to 3 x... x *) Values in brackets are valid for cable incoming feeder from top 1200 (BC = ) **) Values in brackets are valid for cable incoming feeder from top; busbar connection from top in cubicle depth of 1000 mm available on request 1 ) only for 3 pole circuitbreaker 2 ) Mutual mechanical interlocking devices from circuitbreakers is not possible Caution: The change of fixedmounted circuit breakers is difficult for the following cubicle width, when the cubicle access is not possible side or rear. Type width mm / /10 Siemens SIVACON 8PT 12/2003

11 8PT2751 General The circuitbreaker systems with Sentron VL is exclusive deployed for feeding the switchgear as well as for outgoing feeders of A. Structure and Functions Auxiliary Compartment CircuitBreaker Design There is a Lvee auxiliary gearbox integrated above the accessory Section. Structure and Dimensions of the equipment compartment: The circuitbreaker/cubicle with Sentron VL is built analog the circuitbreaker/cubicle 3W., i.e. it is partitioned in Cross connecting Segment, Accessory Section, Central Compartment and Cable connecting Segment. b and back 630 A 1600 A ψ Crosswiring compartment (optional) ψ Auxiliary compartment ψ Switching device Compartment a 1 Terminal blocks 2 Mounting rail 3 Wiring duct a b c Central Compartment ψ Cable connecting Compartment The equipment is fixed on a backside equipment support. The following versions are possible: 400 mm FCB1 Forms of internal separation / Doors Depending on form of partition inside, the following doortypes are available: Form 1 Form 2 Form 4b un IP54 IP42 3VL hand drive behind the door (standard) * door coupling (insert door cutout) fixed motor drive Cable/Bar Connection Compartment Width Number of lockable cable widths depending on the device type 3½Leiter [mm 2 ] up to 630 A up to 800 A up to1600a up to Siemens SIVACON 8PT 12/2003 4/11

12 CircuitBreaker Design 8PT2751 Rated Currents Rated Currents I n depending on ambient temperature 3VL Function Incoming Feeder or Outgoing Feeder un Type Rated Current [A] VL VL VL VL Space Requirement for 3 and 4 pole 3 VL Circuit Breakers Type 3VL VL VL VL 8716 Rated Current [A] Circuit Breaker / with 3VL 400 up to 2 x... x (800/1000)* up to 3 x... x (1000/1200)* Cable connection back 400 up to 2 x... x up to 3 x... x *) Values in brackets are valid for cable incoming feeder from top 4/12 Siemens SIVACON 8PT 12/2003

13 8PT2751 CircuitBreaker Design Dimension drawings for bar connection up to 1600 A Siemens SIVACON 8PT 12/2003 4/13

14 CircuitBreaker Design 8PT2751 Dimension drawings for bar connection 2000 A up to 3200 A 4/14 Siemens SIVACON 8PT 12/2003

15 8PT2751 CircuitBreaker Design Dimension drawings for bar connection 4000 A and 5000 A Siemens SIVACON 8PT 12/2003 4/15

16 CircuitBreaker Design 8PT2751 Dimension drawings for bar connection 6300 A 4/16 Siemens SIVACON 8PT 12/2003

In-line Plug-in Design 3NJ6

In-line Plug-in Design 3NJ6 Contents Page - Outgoing Feeders General 6/2 Structure and Functions inclusive Forms of Internal Separation, Installation of Instruments 6/2 Plug-on Bus System 6/2 Cable Connection Compartment 6/2 Switch-disconnector-fuse