SMA Solar Technology America LLC
Minimum load
Minimum electrical endurance when the maxi-
mum switching voltage and maximum switching
current are complied with*
* Corresponds to 20 years at 12 switching operations per day
10.4 Triggering Thresholds and Tripping Time
Rated power fre-
quency
60 Hz
Rated grid volt-
Triggering
age
threshold - Trig-
gering voltages
208 V
50%
88%
110%
120%
240 V
50%
88%
110%
120%
Installation Manual
Triggering threshold Triggering frequency Tripping time
> 60.5 Hz
< 57 Hz to 59.8 Hz
(Standard: 59.3 Hz)
< 57.0 Hz
Triggering volt-
age - Neutral
conductor
57.6 V to 62.4 V 99.8 V to
103.2 V to
108.0 V
129.6 V to
134.4 V
141.6 V to
146.4 V
57.6 V to 62.4 V 115.2 V to
103.2 V to
108.0 V
129.6 V to
134.4 V
141.6 V to
146.4 V
0.1 W
100000 switching cycles
60.45 Hz to 60.55 Hz max. 0.1602 s
56.95 Hz to 59.85 Hz
(Standard: 59.25 Hz
to 59.35 Hz)
56.95 Hz to 57.05 Hz max. 0.1602 s
Triggering volt-
age - L1 and L2
108.2 V
178.9 V to
187.2 V
224.6 V to
233.0 V
245.4 V to
253.8 V
124.8 V
206.4 V to
216.0 V
259.2 V to
268.8 V
283.2 V to
292.8 V
SB30-77-1SP-US-40-IA-xx-13
10 Technical Data
Adjustable: 0.16 s to
300 s
(Standard: max.
0.1602 s)
Tripping time
max. 0.1602 s
max. 2.002 s
max. 1.001 s
max. 0.1602 s
max. 0.1602 s
max. 2.002 s
max. 1.001 s
max. 0.1602 s
65