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2.1
TECHNICAL
Operating Speed
(from fault detection
to trip contact close
-60 Hz)
ac Voltage
ac Current (In)
Rated Frequency
Maximum Permissible ac Voltage
• Continuous
• 10 Second
Maximum Permissible ac Current
• Continuous
• 1 Second
dc Battery Voltages
Nominal
48/60 Vdc
110/125 Vdc
220/250 Vdc
dc Burdens: Battery
ac Burdens:
Volts per Phase
Current per Phase
2.2
EXTERNAL CONNECTIONS
• Terminal blocks located on the rear of the chassis suitable for #14 square tongue lugs
• Wiring to FT-14 switches suitable for #12 wire lugs
Section 2. SPECIFICATIONS
(VLN) at 60 Hz
(VLN) at 50 Hz
12-14 ms (minimum)
22 ms (typical)
70
Vrms
63.5
Vrms
1 or 5 A
50 or 60 Hz
1.5 x nominal voltage
2.5 x nominal voltage
3 x Nominal Current
100 x Nominal Current
Operating Range
38 - 70 Vdc
88- 145 Vdc
176 - 290 Vdc
7 W normal
30 W tripping
0.02VA at 70 Vac
0.15VA at 5 A
I.L. 40-385.7
2-1
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