![background image](http://html1.mh-extra.com/html/abb/rel-300/rel-300_instruction-leaflet_3472904035.webp)
I.L. 40-385.1B
(5/92)
2-1
Section 2. SPECIFICATIONS
2.1
TECHNICAL
Operating Speed
(from fault detection
12-14 ms (minimum)
to trip contact close
22 ms (typical)
-60 Hz)
ac Voltage (VLN) at 60 Hz
70
Vrms
(VLN) at 50 Hz
63.5 Vrms
ac Current (In)
1 or 5 A
Rated Frequency
50 or 60 Hz
Maximum Permissible ac Voltage
• Continuous
1.5 x nominal voltage
• 10 Second
2.5 x nominal voltage
Maximum Permissible ac Current
• Continuous
3 x Nominal Current
• 1 Second
100 x Nominal Current
Typical Operating Current
0.5 A
dc Battery Voltages
Nominal
Operating Range
48/60 Vdc
38 - 70 Vdc
110/125 Vdc
88- 145 Vdc
220/250 Vdc
176 - 290 Vdc
dc Burdens: Battery
7 W normal
30 W tripping
ac Burdens:
Volts per Phase
0.02VA at 70 Vac
Current per Phase
0.15VA at 5 A
Summary of Contents for REL-300
Page 30: ......
Page 32: ......
Page 33: ......
Page 38: ......
Page 39: ......
Page 40: ......
Page 41: ......
Page 42: ......
Page 43: ......
Page 44: ......
Page 45: ......
Page 62: ......
Page 63: ......
Page 64: ......
Page 65: ......
Page 66: ......
Page 67: ......
Page 68: ......
Page 69: ......
Page 70: ......
Page 71: ......
Page 72: ......
Page 73: ......
Page 74: ......
Page 75: ......
Page 76: ......
Page 77: ......
Page 86: ......
Page 87: ......
Page 88: ......
Page 131: ......
Page 132: ......
Page 133: ......
Page 134: ......
Page 135: ...I L 40 385 1B SD 6 5 92 Figure SD 2 MDAR Block Diagram sheet 1 of 1 Sub 1 1611C12...