ABB REL 301, Instruction Manual

Page: 14 / 132

I.L. 40-386.3
(10/94) 1-7
1. 6. SPECIFICATIONS
1.6.1 Technical
1.6.2 External Connections
Terminal blocks located on the rear of the chassis suitable for #14 square tongue lugs.
Wiring to FT-10 switches suitable for #12 wire lugs.
1.6.3 Contact Rating Data
Trip Contacts - make & carry 30 A for 1 second, 10 A continuous capability, break 50
watts resistive or 25 watts with L/R =.045 seconds. Trip contacts are:
• Trips A1, A2
• OC1
• Close-1, 2
Operating Speed
(from fault detection to trip contact close (60 Hz)
ac Voltage (VLN)
ac Current (In)
Rated Frequency
Maximum Permissible ac Voltage (Thermal Rating)
• Continuous
• 10 Second
Maximum Permissible ac Current (Thermal Rating)
• Continuous
• 1 Second
Minimum Operating Current
dc Battery Voltages
Nominal
48/60 Vdc
110/125 Vdc
220/250 Vdc
dc Burdens: Battery
ac Burdens:
Voltage input
Current input
12 ms (minimum)
26 ms (typical)
60 Hz 70 Vrms
50 Hz 63.5 Vrms
1 or 5 A
50 or 60 Hz
1.5 x V
Ln
2.5 x V
Ln
3 x In
100 x In
0.1 x In
Operating Range
38-70 Vdc
88-145 Vdc
176- 290 Vdc
7 W normal
30 W tripping
0.02 VA at 70 Vac/phase
0.15 VA at 5 A/phase