—

T EC H N I C A L C ATA LO G U E

SACE Emax 2
Low voltage air circuit-breakers
2/2 S AC E E M A X 2 LO W V O LTA G E A I R C I R C U I T- B R E A K E R S

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SACE Emax 2 automatic circuit breakers
Common data

Frequency [Hz]

Performance levels B C N
[A]
[A]
[A]
[A]
[A]
[A]
[A]
[%Iu]
[kA]
breaking capacity Icu
[kA]
[kA]
[kA]
[%Icu]
[kA]
[kA]
[kA]
[kA]
[kA]
[kA]

[mm]
[mm]
[mm]
[mm]
kg
kg
including fixed part

[Iu]

Frequency

Frequency
 THE R ANGES 2/3

02
B N S H N S H V H V X
2/4 S AC E E M A X 2 LO W V O LTA G E A I R C I R C U I T- B R E A K E R S

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SACE Emax 2 switch disconnectors
-
-

-
-

Common data

Frequency [Hz]

[A]
[A]
[A]
[A]
[A]
[A]
[%Iu]
[kA]
[kA]
[kA]
[kA]
[kA]
[kA]

[mm]
[mm]
[mm]
[mm]

[Iu]

Frequency

ordinary maintenance

Frequency
THE R ANGES 2/5

02
3/18 S AC E E M A X 2 LO W V O LTA G E A I R C I R C U I T- B R E A K E R S

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Technical characteristics for protection
trip units
Protection functions

ABB Code ANSI/IEEE Function Threshold

L Overload protection

Thermal memory
Tolerance

S Time-delayed overcurrent protection

Tolerance

Time-delayed overcurrent protection

Thermal memory
Tolerance

I Instantaneous overcurrent protection

Tolerance
G Earth fault protection

Tolerance

Earth fault protection

Tolerance

(2) The minimum trip time is 1s, regardless of the type of curve set (self-protection)
(3) Total clearing time is the sum of breaking time and trip time

The tollerances above apply to trip units already powered by the main
circuit with current flowing in at least two phases or an auxiliary power
supply. In all other cases the following tollerance values apply

ABB Code Trip threshold Trip time

L
S
I
G
 P R OT E C T I O N T R I P U N I T S 3/19

03
Trip time Excludibility Pre Alarm Trip curve Ekip Dip

no

no

yes -
The better of the two data:

yes -
yes -

Instantaneous yes -

yes

The better of the two data:

yes
3/20 S AC E E M A X 2 LO W V O LTA G E A I R C I R C U I T- B R E A K E R S

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Technical characteristics for protection
trip units
Protection functions
ABB Code ANSI Code Function Threshold Threshold Trip time Time
step Step
L Overload Protection

Thermal Memory
Tolerance
Overload Protection

Tolerance
S Time-delayed overcurrent protection
Zone selectivity
Start up
Tolerance The better of the two data:

Time-delayed overcurrent protection

Thermal Memory
Tolerance

I Istantaneous overcurrent protection -

Start up
Tolerance
Zone selectivity
G Earth fault protection

Zone selectivity
Start up
Tolerance

Earth fault protection

Tolerance
IU Current unbalance protection
Tolerance

Programmable instantaneous
overcurrent protection
Tolerance
MCR Closing on short-circuit protection

Tolerance
Gext Earth fault protection
Toroid
Zone selectivity
Start up
Tolerance The better of the two data:

Earth fault protection

Tolerance
Rc Residual current protection
Differential ground fault protection
Tolerance

UV Undervoltage Protection
Tolerance

MDGF Modified Differential

Ground Fault protection )
Tolerance
OV Overvoltage protection
Tolerance
 P R OT E C T I O N T R I P U N I T S 3/21

03
Excludibility Excludibility Pre-alarm Trip curve Ekip Touch Ekip Hi-Touch Ekip G Touch Ekip G Hi-Touch
trip
yes, with rating no

yes

yes, with rating no

k
If

yes yes no
yes
yes

yes yes no
yes

yes no no
yes

yes
yes yes

yes
yes

yes yes

yes yes no

yes no no

yes no no

yes yes

yes
yes

yes yes

Available with no no
rating plug Rc

yes yes no

yes yes

yes yes no

Table continued on next page

3/22 S AC E E M A X 2 LO W V O LTA G E A I R C I R C U I T- B R E A K E R S

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Technical characteristics for protection
trip units
Protection functions
ABB Code ANSI Code Function Threshold Threshold Trip time Time
step Step
VU Voltage unbalance protection
Tolerance

UF Underfrequency protection
Tolerance

OF Overfrequency protection
Tolerance

RP Reverse active power protection

Tolerance

ABB: Cyclical direction of the phases

Cyclical
direction
ABB:
Power
factor
Current threshold

Activation: up/down
Tolerance
Time-delayed overcurrent protection
Zone selectivity
Start up
Tolerance The better of the two data:

D Directional overcurrent protection

(forward &/or backward)
Zone selectivity
Start up (forward &/or backward)
Trip direction forward &/or backward
Minimum angle direction (°)

Tolerance The better of the two data:

Undervoltage Protection
Tolerance

Overvoltage protection
Tolerance

Underfrequency protection
Tolerance

Overfrequency protection
Tolerance

Voltage controlled overcurrent

protection
Step mode

Linear mode

Tolerance
 P R OT E C T I O N T R I P U N I T S 3/23

03
Excludibility Excludibility Pre-allarm Trip curve Ekip Touch Ekip Hi-Touch Ekip G Touch Ekip G Hi-Touch
trip
yes yes no

yes yes no

yes yes no

yes yes no

yes only no -
signalling

yes only no -
signalling

yes only no -
signalling

yes yes no
yes yes
yes

yes yes no

yes
yes

yes yes no

yes yes no

yes yes no

yes yes no

yes yes no

Table continued on next page

3/24 S AC E E M A X 2 LO W V O LTA G E A I R C I R C U I T- B R E A K E R S

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Technical characteristics for protection
trip units
Protection functions
ABB Code ANSI Code Function Threshold Threshold step Tripping time Time
Step
RV Residual overvoltage protection
Tolerance

OP Active overpower protection

Tolerance

OQ Reactive overpower protection

Tolerance

UP Active underpower protection

Start up
Tolerance

RQ Loss of field or reverse reactive

power protection
Loss of field or reverse reactive
power protection
Voltage minimum threshold
Tolerance

Voltage controlled overcurrent

protection
Step mode

Linear mode

Tolerance The better of the two data:

ROCOF Rate of change of frequency

protection
Trip direction up &/or down
Tolerance The better of the two data:

Synchro- Synchrocheck (Live busbars) Stability voltage time

check SC

Tolerance
Synchrocheck
(Live,Dead busbars)
Frequency check off
Phase check off
Dead bar configuration Reverse/standard
Primary voltage

Secondary voltage
Tolerance

The tolerances above apply to trip units already powered by the main circuit with current flowing in at least two-phases or an auxiliary power supply.
In all other cases the following tollerance values apply:

ABB Code Trip threshold Trip time

L
S
I
G
Other protection
 P R OT E C T I O N T R I P U N I T S 3/25

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Excludibility Excludibility Pre-allarm Trip curve Ekip Touch Ekip Hi-Touch Ekip G Touch Ekip G Hi-Touch
trip
yes yes no

yes yes no

yes yes no

yes yes no
yes

yes yes no

yes yes no

yes

yes yes no

yes yes no

yes only no -
signalling

yes only no -
signalling
yes
yes
yes

(2) 2I Trip time:

•
• 7ms (three-phase) or 9ms (single-phase) when the fault current is greater than three times the 2I setting (I31)
•
(3) Instantaneous protection can be permanently non-defeatable through the dedicated extracode.

Key:
- not available
available
available with the dedicated software package. The Measuring Package has to be activated first, if not provided by default.
For RC protection, Measurement Enabler with voltage sockets and Ekip Supply are needed.
available with Ekip Synchrocheck
3/26 S AC E E M A X 2 LO W V O LTA G E A I R C I R C U I T- B R E A K E R S

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Technical characteristics for protection
trip units
Measurement functions

Instantaneous measurements Displayed with Parameters

Ekip Multimeter
Currents (RMS) [A] •
Earth fault current (RMS) [A] • Ig

Record of values: of the parameter for each interval with time-stamping Parameters
Current: minimum and maximum [A] • I Min, I Max

Information on trip and opening data: after a fault with or without auxiliary supply Parameters
Type of protection tripped • eg. L, S, I, G
Fault values per phase [A] •
Time-stamping • Date, time and progressive number

Maintenance indicators Parameters

• Type of protection, fault values and time-stamping
• Type of event, time-stamping
Number of mechanical operations [no] • Can be associated to alarm
Total number of trips [no] •
Total operating time [h] •
Wear of contacts •
Date of maintenance operations performed • Last
Indication of maintenance operation needed •
Circuit-breaker I.D. • Type of circuit breaker, assigned device name,
serial number

Self-diagnosis Parameters
Check of continuity of internal connections • Alarm due to disconnection: rating plug, sensors,
trip coil
• Alarm following non-tripping of protection functions
Temperature (T) • Pre-alarm and alarm for abnormal temperature

(1) with auxiliary supply present

 P R OT E C T I O N T R I P U N I T S 3/27

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Precision Standard Ekip Dip

Window Intervals
Fixed, synchronizable by remote

Note:
Opening of circuit breaker can be set in the event of alarm
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Technical characteristics for protection
trip units
Measurement functions

Instantaneous measurements Parameters

Currents (RMS) [A]
Earth fault current (RMS) [A] Ig
Phase-phase voltage (RMS) [V]
Phase-neutral voltage (RMS) [V]
Phase sequence
Frequency [Hz] f
Active power [kW]
Reactive power [kVAR]
Apparent power [KVA]
Power factor total
Peak factor

Counters recorded from installation or from the last reset Parameters

Active energy [kWh] Ep total, Ep positive, Ep negative
Reactive energy [kVARh] Eq total, Ep positive, Ep negative
Apparent energy [KVAh] Es total

Network Analyzer Parameters

Hourly average voltage value [V]
[no]
- Events counter (nr. of events day by day in the last year plus the
total events in the breaker's lifetime)
Short voltage interruptions [no]
- Events counter (nr. of events day by day in the last year plus the
total events in the breaker's lifetime)
Short voltage spikes [no]
- Events counter (nr. of events day by day in the last year plus the
total events in the breaker's lifetime)
Slow-voltage sags and swells [no]

- Events counter (nr. of events day by day in the last year plus the
total events in the breaker's lifetime)
Voltage unbalance [V]
[no] - Events counter (nr. of events day by day in the last year plus the
total events in the breaker's lifetime)
Harmonic analysis Current and Voltage

- Single harmonic alarm:

 P R OT E C T I O N T R I P U N I T S 3/29

03
Ekip Touch (* Ekip Hi-Touch Ekip G Touch (* Ekip G Hi-Touch

Intervals

(*) Precision (Class 1) available with dedicated extracode

With no Class 1, please refer to the precision values below:

Current (RMS) Frequency Power factor

Earth fault current (RMS) Active power Active energy
Phase-phase voltage (RMS) Reactive power Reactive energy
Phase-neutral voltage (RMS) Apparent power Apparent energy
3/30 S AC E E M A X 2 LO W V O LTA G E A I R C I R C U I T- B R E A K E R S

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Technical characteristics for protection
trip units
Measurement functions

Record of values: of the parameter for each interval with time-stamping Parameters
Current: minimum and maximum [A] I Min, I Max
Phase-phase voltage: minimum and maximum [V] U Min, U max
Active power: average and maximum [kW] P Avg, P Max
Reactive power: average and maximum [kVAR] Q Avg, Q Max
Apparent power: average and maximum [KVA] S Avg, S Max

Data logger: record of high sampling rate parameters Parameters

Currents [A]
Voltages [V]
Sampling rate [Hz]
Maximum recording duration [s]
Recording stop delay [s]
Number of registers [no]

Information on trip and opening data: after a fault without auxiliary supply Parameters
Type of protection tripped
Fault values per phase [A/V/Hz W/var]

Time-stamping Date, time and progressive number

Maintenance indicators Parameters

Type of protection, fault values and time-stamping
Type of event, time-stamping
Number of mechanical operations [no] Can be associated to alarm
Total number of trips [no]
Total operating time [h]
Wear of contacts [%]

Date of maintenance operations performed Last

Indication of maintenance operation needed
Type of circuit breaker, assigned device name, serial number

Self-diagnosis Parameters
Check of continuity of internal connections Alarm due to disconnection: rating plug, sensors, trip coil
Alarm following non-tripping of protection functions
Prealarm and alarm for abnormal temperature
 P R OT E C T I O N T R I P U N I T S 3/31

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Window Intervals Ekip Touch Ekip Hi-Touch Ekip G Touch Ekip G Hi-Touch
Fixed synchronizable by
remote

Note: Opening of circuit

breaker can be set in the
event of alarm

Key:
- not available
available
available with the dedicated software package