Generac Power Systems ATC-300+ Operation And Maintenance Manual page 37

40-400A (480/600Vac) ATC-300+ 3-Postion
Contactor Based Transfer Switch
PERCENTAGE
120
119
118
117
116
115
114
113
112
111
110
109
108
107
106
105
UNDERFREQUENCY PICKUP / DROPOUT TABLE
PERCENTAGE
97
96
95
94
93
92
91
90
OVERFREQUENCY PICKUP / DROPOUT TABLE
PERCENTAGE
110
109
108
107
106
105
104
103
102
IB01602078E
OVERVOLTAGE PICKUP / DROPOUT TABLE
120 208
144 250
143 248
142 245
140 243
139 241
138 239
137 237
136 235
134 233
133 231
132 229
131 227
130 225
128 223
127 220
126 218
FREQUENCY
50 60
49 58
48 58
48 57 Pickup
47 56
47 56
46 55
46 55
45 54 Dropout
FREQUENCY
50 60
55 66
55 65
54 65
54 64
53 64
53 63 Dropout
52 62
52 62
51 61 Pickup
For more information visit: www.generac.com
VOLTAGE
220 240 380
264 288 456
262 286 452
260 283 448
257 281 445
255 278 441
253 276 437
251 274 433
249 271 429
246 269 426
244 266 422
242 264 418
240 262 414
238 259 410
235 257 407
233 254 403
231 252 399
Instruction Booklet
Effective: September 2011
415 480 600
498 576 720
494 571 714
490 566 708
486 562 702
481 557 696
477 552 690
473 547 684
469 542 678
465 538 672
461 533 666
457 528 660
452 523 654
448 518 648
444 514 642
440 509 636
436 504 630
Page 37
Dropout
Pickup