SACE EMAX 2 NEW LOW VOLTAGE POWER C I RCUI T BRE AKERS TO ANS I C37 / UL 1066 / CSA STANDARDS
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— Technical characteristics for protection trip units Protection functions
ABB Code ANSI Code Function
Threshold
Threshold step
Tripping time
Time Step
Synchro- check SC
25
Synchrocheck (Live busbars)
Ulive = 0.5…1.1 Un ∆U = 0.02…0.12 Un ∆f = 0.1…1Hz ∆Φ = 5…50° elt
0.001 Un 0.001 Un
Stability voltage time for live state = 100...30000ms Minimummatching Time = 100...3000ms
0.001s 0.01 s
0.1Hz 5° elt
Tolerance
± 10%
Synchrocheck (Live,Dead busbars) Frequency check off Phase check off Dead bar configuration
Ulive = 0.5…1.1 Un Udead = 0.02…0.2 Un
0.001 Un 0.001 Un
tref = 0.1…30s
0.1s
Reverse/standard
Primary voltage
100...1150
100, 115, 120, 190, 208, 220, 230, 240, 277, 347, 380, 400, 415, 440, 480, 500, 550, 600, 660, 690, 910, 950, 1000, 1150
Secondary voltage
100...120
100, 110, 115, 120
Tolerance ± 10% (1) With Vaux all thresholds are available. Without Vaux minimum threshold is limited to: 0.3In (with In = 100A), 0.25In (with In = 400A) or 0.2In (for all other ratings) 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
Trip between 1.05 and 1.2 x I1 ± 20%
± 10% ± 15% ± 15% ± 15%
± 20%
≤ 60ms
I
G
± 20% ± 20%
Other protection
(2) 2I Trip time: • < 3ms when the fault current is above 18kA • 7ms (three-phase) or 9ms (single-phase) when the fault current is greater than three times the 2I setting (I31) • ≤ 15ms when the fault current is lower 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
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