Electrical installation handbook Protection, control and electrical devices

This technical collection takes into consideration only the bodies dealing with electrical and electronic technologies.

SACE Tmax XT  Legenda

Power distribution   Legenda

‘ Not available for Ekip N and Ekip |; only for XT2 In=10 A not available with Ekip G  The following table shows the available rated currents with the SACE Tmax XT Tmax T and Emax circuit- breakers.

The following table shows the available rated currents for motor protection with the SACE Tmax XT and Tmax T circuit- breakers.

® Also for lu = 1000 A (not available for E8V and E2L).  1 Protection and control devices

The following table summarizes the types of electronic release and the functions they implement:

The following table shows an overview of the MCBs, for further details please refer to the technical catalogue.

‘ 90kA @ 690V only for XT4 160. Available shortly, please ask ABB SACE ® XT1 plug in version only with In max = 125A

SACE Emax air circuit-breakers

SACE Emax air circuit-breakers with full-size neutral conductor

Protection against undervoltage (function UV)

Protection against overvoltage (function OV)

Protection against residual voltage (function RV)

Protection against reversal of power (function RP)

Temperature rise limits  Description of part*

2 General characteristics

Examples:  2 General characteristics

Circuit-breakers with electronic release  Caption

Caption  F= Front flat terminals  FC= Front terminals for cables HR= Rear flat horizontal terminals VR= Rear flat vertical terminals R= Rear terminals

Emax X1 with horizontal rear terminals

Emax E1

Emax X71 with vertical rear terminals

Emax E2

Emax E6

Emax E4

For switchboards with the following dimensions (mm): 2000x400x400

Note: the reference temperature is the ambient temperature

*Excluding Tmax T1P

Rated operational voltage Ue [V]

Table1: Utilization categories

Table 3: Tmax T switch disconnectors

Tmax XT @ 415V ac

| Value valid only for magnetic only supply side circuit-breaker &gt; Value valid only for PR232/P, PR331/P and PR332/P trip units &gt; Available only with lu &lt; 1250A

Table valid for Emax circuit-breaker only with PR121/P, PR122/P and PR123/P releases &#39; Emax L circuit-breaker only with PR122/P and PR123/P releases 2 Available only with lu &lt; 1250A

‘Value valid only with 11 (MCCB) &lt;= Ith (MCS) 2 Only for T7 1000 and T7 1250

Notes for the correct reading of the coordination tables:

- MCCBs type Tmax XT  * with these typologies of pole connection the possibility of a double fault to earth is considered unlikely.

The positive pole (+) can be inverted with the negative pole (-).

- MCCBs type Tmax XT

- MCCBs type Tmax T

4 Special applications  Earthing shall be carried out on the supply side of the circuit-breaker.

- MCCBs type Tmax XT

* for the use of three-phase circuit-breakers please ask ABB “for the use of three-phase circuit-breakers (T4-T5-T6) please ask ABB  - MCCBs type Tmax T

- ACBs type Emax

Table 2: k_ coefficient

= Multiplier factor of 13 due to the induced magnetic fields

K,_, = Multiplier factor of I8 due to the induced magnetic fields

= Multiplier factor of 13 due to the induced magnetic fields

K,, = Multiplier factor of I3 due to the induced magnetic fields

K,, = Multiplier factor of 13 due to the induced magnetic fields

= Multiplier factor of I3 due to the induced magnetic fields

Table 8: Tmax performance T4N 80-250 A TMA 11 (400Hz) 13 setting (MI   13 setting (MIN=5xIn)  K,, = Multiplier factor of 13 due to the induced magnetic fields  4 Special applications

I3 setting (MIN=5xiIn)  = Multiplier factor of I3 due to the induced magnetic fields   4 Special applications

= Multiplier factor of I3 due to the induced magnetic fields

= Multiplier factor of I3 due to the induced magnetic fields

K,, = Multiplier factor of I3 due to the induced magnetic fields

iagram A Diagram B-C_ Diagram D-E-F

Connection diagrams

4 Special applications

Circuit-breakers with electronic release for alternating currents

Air switch disconnectors (up to 1150 Vac)

Annex B: Temperature rise evaluation according to IEC 60890

Table 7: Enclosure constant k for enclosures without ventilation openings, with an effective cooling surface A, &gt; 1.25 m?

Surface factor b  Type of installation

Table 5: Factor d for enclosures without ventilation openings and with an effective cooling surface A, &gt; 1.25 m?

where h is the height of the enclosure, and A, is the area of the base. For “Type of installation”:

Table 9: Enclosure constant k for enclosures with ventilation openings and an effective cooling surface A, &gt; 1.25 m?

Table 10: Temperature distribution factor c for enclosures with ventilation openings and an effective cooling surface A, &gt; 1.25 m?

Table 11: Enclosure constant k for enclosures without ventilation openings and with an effective cooling surface A, &lt; 1.25 m?

given in the Table 2. Here below the values for each section:

Circuit-breakers

Annex B: Temperature rise evaluation according to IEC 60890

Thus, the total power loss inside the enclosure is: P = 784 [W]  Here below the power losses for each connection:

NOTE 1. The illustrations are not intended to depict actual product or installation practices but are indicative o the method described.

® For higher ambient temperatures, consult manufacturer.  Table 4: Correction factor for ambient air temperature other than 30 °C

Table 6: Reduction factor for single-core cables with method ot installation F

NOTE 1 Values given are averages for the cable types and range of conductor sizes considered in Tables 8 to 9 (installation methods E, F and G). The spread of values is generally less than 5 %.

Table 8: Current carrying capacity of cables with PVC or EPR/XLP insulation (method A-B-C)

Table 8: Current carrying capacity of cables with PVC or EPR/XLP insulation (method E-F-G)

Insulation  Table 10: Correction factors for ambient ground temperatures other than 20 °C

Table 13: Reduction factors for single-core cables laid in single way ducts in the ground (installation method D1)

Table 15: Current carrying capacity of cables buried in the ground (installation method D1)

Table 16: Current carrying capacity of cables buried in the groun (installation method D2)

Table 1: Resistance and reactance per unit of length of copper cables

Table 2: Resistance and reactance per unit of length of aluminium cables

Table 4: Specific voltage drop at cosy = 0.9 for copper cables

Table 3: Specific voltage drop at cosy = 1 for copper cables

1 Protection of feeders

Table 6: Specific voltage drop at cosg = 0.8 for copper cables

cosy = 0.75

Table 8: Specific voltage drop at cosy = 1 for aluminium cables

Table 10: Specific voltage drop at cosy = 0.85 for aluminium cables

1 Protection of feeders

1 Protection of feeders  Table 12: Specific voltage drop at cosy = 0.75 for aluminium cables

Table 1: Resistance values [Q/km] of single-core and multi-core cables in copper and aluminium at 80 °C

1 Protection of feeders  After calculating the minimum short-circuit current, verify that

Table 3: Maximum protected length

Multiply the length value obtained from the table by the correction factor k,:

‘for TN-C systems, the Standards specify a minimum cross section of 10 mm? for copper and 16 mm‘? for aluminium conductors

Table 4: Values of k for protective conductors as a core incorporated in a cable or bunched with other cables or insulated conductors

Table 3: Values of k for insulated protective conductors not incorpo- rated in cables and not bunched with other cables

Table 2: Current carrying capacity |,, of copper BTS

*phase resistance at I,,

*phase resistance at I,,  Table 3: Current carrying capacity |,, of aluminium BTS

Table 5: Values of the withstood energy and peak current of aluminium BTS

Table 6: Current distribution factor  1 Protection of feeders

Table 1: Incandescent and halogen lamps  ® For calculation see Annex B Calculation of load current |,

Table 3: High intensity discharge lamps

Example:

** also Emax CB type E1 can be used for this application

Table 3

Tripping time in seconds (Tp)  Trip Class

MA: magnetic only adjustable release MF: fixed magnetic only release

MA: magnetic only adjustable release MF: fixed magnetic only release  Table 4: 400 V 50 kA DOL Normal Type 2 (Tmax XT/T - Contactor - TOR/EOL)

MA: magnetic only adjustable release MF: fixed magnetic only release  Table 5: 400 V 70 kA DOL Normal Type 2 (Tmax XT/T - Contactor - TOR/EOL)

MA: magnetic only adjustable release MF: fixed magnetic only release  Table 6: 400 V 80 kA DOL Normal Type 2 (Tmax XT/T - Contactor - TOR/EOL)

Table 11: 440 V 50 kA DOL Normal Type 2 (Tmax XT/T - Contactor - TOR/EOL)  MA: magnetic only adjustable release MF: fixed magnetic only release

Table 12: 440 V 65 kA DOL Normal Type 2 (Tmax XT/T - Contactor - TOR/EOL)  MA: magnetic only adjustable releass MF: fixed magnetic only release

(*) Connection kit not available. To use connection kit provide E800DU800  Table 15: 500 V 50 kA DOL Normal Type 2 (Tmax XT/T - Contactor - TOR/EOL)

Table 17: 690 V 25 kA DOL Normal Type 2 (Tmax XT - Contactor - TOR/EOL)  MA: magnetic only adjustable release MF: fixed magnetic only release

(*) Type 1 coordination (**) Cable cross section equal to 4 mm2 (***) No mounting kit to contactor is availabl.  Table 18: 690 V 50 kA DOL Normal Type 2 (Tmax T - Contactor - TOR/EOL)

Table 20: 400 V 50 kA DOL Heavy duty Type 2 (Tmax XT/T - Contactor - TOR/EOL)  MA: magnetic only adjustable release MF: fixed magnetic only release

Table 27: 400 V 50 kA Y/A Normal Type 2 (Tmax XT/T - Contactor - TOR/EOL)

Table 26: 400 V 35 kA Y/A Normal Type 2 (Tmax XT/T - Contactor - TOR/EOL)

Table 29: 440 V 65 kA Y/A Normal Type 2 Tmax XT/T — Contactor - TOR/EOL)

Table 28: 440 V 50 kA Y/A Normal Type 2 (Tmax XT/T - Contactor - TOR/EOL)

Table 31: 690 V 25 kA Y/A Normal Type 2 (Tmax XT - Contactor - TOR/EOL)  Table 30: 500 V 50 kA Y/A Normal Type 2 (Tmax XT/T - Contactor - TOR/EOL)

Comments: *size wire 4mm *“connect TOL at line-delta supply side

Table 32: 690 V 50 kA Y/A Normal Type 2 (Tmax T - Contactor - TOR/EOL)  Comments: *size wire 4mm “connect TOL at line-delta supply side

Table 33: 400 V 35 kA DOL Normal and Heavy duty Type 2 (Tmax XT/T with Ekip M/PR222MP - Contactor)

Table 34: 400 V 50 kA DOL Normal and Heavy duty Type 2 (Tmax XT/T with Ekip M/PR222MP - Contactor)

Table 36: 690 V 25 kA DOL Normal and Heavy duty Type 2 (Tmax T with Ekip M - Contactor)

MVVITTTIET Ilo. * For Heavy start, select the class 30 on the MP release  Table 38: 690 V 50 kA DOL Normal and Heavy duty Type 2 (Tmax T with PR222MP - Contactor)

Table 1: Protection and switching of 230 V transformers

Circuit-breaker “B” (Feeder circuit-breaker)

* also Tmax series CBs equipped with electronic releases can be used for this applicatior “ Emax type E1 can be used for this application  Table 2: Protection and switching of 400 V transformers

Circuit-breaker “B” (Feeder circuit-breaker)

* also Tmax series CBs equipped with electronic releases can be used for this applicatiot ** Emax type E1 can be used for this application  Table 3: Protection and switching of 440 V transformers

Circuit-breaker “B” (Feeder circuit-breaker)

reaker “B” (Feeder circuit-breaker)

cos

for different values of the power factor before and after the correction.

400V / 50 Hz/4 poles / 1500 r/min

400V / 50 Hz/2 poles / 3000 r/min

400V / 50 Hz/8 poles / 750 r/min

Cast Resin Distribution Transformer MV-LV   Example  For a 630 kVA oil-distribution transformer with a load factor of 0.5, the necessary PFC power is 17 kvar.

Contactor

* For plug-in version reduce the power of the capacitor bank by 10%  3 Power factor correction

WYPTPOCUUUILIGULUE PUT QIU VaMItS. UI VAIUS UI UI TIAA IU POLO UlLou length read in Table 2 (TN system) or Table 3 (IT system) shall be multiplied by the following factor:

Short-circuit power S,__, [MVA]  knet   Net voltage U, [kV]  Generator

Cable

|, upstream

Table 2: Correction factors for load current with cos other than 0.9  Annex A: Calculation of load current I,

Table 4: Correction factors for load current with cosq other than 1  Annex A: Calculation of load current I,

Rated current of the motor at:

Table 1 shows the values of the parameters described above.

2 This value shall be used for bare cables exposed to touch.  Table 2: Values of k for phase conductor

Material of conductor  Table 3: Values of k for insulated protective conductors not incorpo- rated in cables and not bunched with other cables

Table 5: Values of k for protective conductors as a core incorporated in a cable or bunched with other cables or insulated conductors

Material of conductor  Temperature °C

Metric Prefixes for Multiples and Sub-multiples of Units

The International System of Units (SI) SI Base Units

Resistivity values, conductivity and temperature coefficient at 20 °C of the main electrical materials

Annex D: Main physical quantities and electrotechnical formulas