ABB UniGear ZS2 User Manual

7
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3. Technical data
3.1 Electrical data
Table 1 : Main parameters for switchgear with
circuit breaker
Rated voltage (Ur) kV 36
Rated power frequency withstand
voltage (Ud)
kVrms 70
Rated lightning impulse withstand
voltage (Up)
kVpk 170
Rated frequency (fr) Hz 50
Rated current (Ir) of busbars A upto 3150
Rated current (Ir) of
circuit breaker branches
A upto 2500,
3150 (FC**)
Rated peak withstand current (Ip)* kA 78.75
Rated short-circuit breaking current
of circuit breaker
kA 31.5
Rated short-time withstand
current (Ik)*
kA 31.5
Rated duration of short circuit (tk)* s 3
*
The short-circuit withstand capacity of components must be taken
into account separately. For individual circuit breaker data, see the
Instruction manual for the relative circuit breaker
**
Forced Cooling
3.2 Resistance to internal arc faults
The fault withstand capacity is 31.5kA for 1s with
gas duct- IAC AFLR 31.5kA,1s 14kA for 1s with
absorber assembly - IAC AFLR 14kA 1s
Table 2 : Dimensions of 36kV units
(Refer notations in section 4.1)
Dimension Notation Metrics in
mm
Height A 2161# 2662 ##
Width
- Feeder switchgears up to 2500
A/ 3150A FC (up to 31.5kA)
B 1000/1200
Depth C 2200 / 2400 /
2600 /
2800/###
Height of the basic part of
Switchgear
D 2024
E 1700
#
Height of the standard LV Compartment is 460 mm
##
Including the height of the Gas duct
###
Variable as per project requirement
Table 3 : Dimensions of 36kV units;
including withdrawable circuit breaker parts
Rated Current in A Mass in kg Approximate)
upto 1250 1300
1600 1500
2000 1500
2500/3150 1700
Table 3.1 : Variant Configurations - for Feeder
Current Rating in Amps Copper
Version
Aluminium
Version
630 Yes
1250 Yes Yes
1600 Yes
2000 Yes Yes
2500 Yes Yes
3150 (FC)* Yes Yes
*
with Force Cooling
Variant Configuration for ICOG
Current Rating in Amps Copper
Version
Aluminium
Version
630 Yes
1250 Yes Yes

ABB UniGear ZS2 Specifications

General

Brand	ABB
Model	UniGear ZS2
Category	Industrial Equipment
Language	English