ERAIL ELECTRIFIED RAIL SYSTEMS

Electrified Rail Systems are a complete power supply suspension system that can be used in combination with a Knight Servo System, VFD tractors, power tools, and other electrical devices.

The ERAD Series is a fully enclosed electrical system that eliminates the stack-up of runway festooning. The power travels through a conductor power rail (ERail), mounted on top of Knight’s ERAD4000, ERAD6000, or ERAD7000 ergonomically friendly aluminum rail. The standard ERail is equipped with (4) four poles, nominal current 60 amp, 240/480V which can run multiple systems on (1) one rail assembly.

General Information

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Features

  • Fully Enclosed Electrical System
  • ERail Electrical Capacity:
    Up to 60 amps / 690 volts
  • Horizontal curved sections available.
  • Max Weight Capacity:
    Up to 3,000 lbs [1,360 kg]
  • Compliant with International Standards.
  • Added safety against shock.
  • Knight’s unique hanger design allows for adjustments while leveling the system.

Benefits

  • Eliminates stack-up of festooning trolleys and hanging electrical cables.
  • Simplifies installation by including electrical rail within suspension.
  • Eliminates need for tow bars.
  • Stacked compact design eliminates need from installing load rail and power rail separately.
  • Twice the power of the competition.

System Components

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ERail

Available in 4 poles with a nominal current of 60 A. Optional 5, 6, and 7 poles available upon request.

ERail Trolley

Travels inside of the ERail and is combined with the Knight load trolley. Copper graphite shoes are used for energy and control voltages over 35 V.

ERAD4000/ERAD6000/ERAD7000

Combined with Knight’s load trolleys, provides the most ergonomically friendly rail system. Rail comes in lengths up to 25ft [9.1m] without a splice. Capacities up to 3,000 lbs. [1,360 kg].

Suspension Points

Knight adjustable hangers support both the Load Rail and ERail. Hanger has the ability to mount to I-Beams, C-Channels, Angle Iron, and many others.

ERail End Caps and Stops

Attaches to the end of the ERail Series Rail. The Redundant End Cap is primarily used to prevent load and ERail trolleys from exiting the rail.

Power Supply End Feed

E-Supply in-feed for ERail. Comes standard with 4 poles, 5-7 poles available upon request.

ERAD4000 Capacity Chart

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ERAD4000 Capacities

Hanger Span Deflection Criteria
1:350 Capacity* 1:450 Capacity* 1:550 Capacity*
ft m lbs kg lbs kg lbs kg
5 1.52 1140 517 1140 517 1140 517
6 1.83 945 429 945 429 945 429
7 2.13 810 367 810 367 790 358
8 2.45 705 320 705 320 600 272
9 2.74 625 283 575 261 470 213
10 3.05 560 254 460 209 375 170
11 3.35 490 222 375 170 300 136
12 3.66 405 184 310 141 245 111
13 3.96 340 154 255 116 205 93
14 4.27 285 129 215 98 170 77
15 4.57 240 109 180 82 140 64
16 4.88 205 93 150 68 120 54
17 5.18 175 79 130 59 100 45
18 5.49 150 68 110 50 80 36
19 5.79 130 59 90 41 65 29
20 6.10 110 50 75 34 55 25
21 6.40 90 41 60 27 40 18
22 6.71 80 36 50 23 30 14
23 7.01 65 29 40 18 20 9
24 7.32 50 23 30 14 15 7

*Due to Ergonomic considerations, each rail span distance is tested to determine the maximum single point load required to achieve a predetermined deflection based on a ratio of 1:350 (1” of deflection for each 350” of length), 1:450 (1” of deflection in 450” of length) or 1:550 (1” of deflection for each 550” of length).

For purposes of estimating approximate ergonomic force requirements, the following formula may be used:

0.009 x total mass = maximum effort (in lbf) required to overcome inertia. Effort required to sustain movement is generally 0.35 x effort to overcome inertia e.g.,

250 lbs. (1.03 kg) mass x 0.009 = 2.25 lbf (0.9 kg) to overcome inertia

2.25 (0.9 kg) x 0.35 = .79 lbf (0.36 kg) to sustain movement

ERAD6000 Capacity Chart

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ERAD6000 Capacities

Hanger Span Deflection Criteria
1:350 Capacity* 1:450 Capacity* 1:550 Capacity*
ft m lbs kg lbs kg lbs kg
5 1.52 2030 921 2030 921 2030 921
6 1.83 1690 767 1690 767 1690 767
7 2.13 1445 655 1445 655 1445 655
8 2.45 1260 572 1260 572 1260 572
9 2.74 1115 506 1115 506 1115 506
10 3.05 1000 454 1000 454 895 406
11 3.35 905 411 900 408 730 331
12 3.66 825 374 750 340 605 274
13 3.96 760 345 630 286 510 231
14 4.27 700 318 535 243 430 195
15 4.57 600 272 455 206 365 166
16 4.88 520 236 395 134 310 141
17 5.18 450 204 340 154 270 122
18 5.49 395 179 295 134 230 104
19 5.79 345 156 255 116 195 88
20 6.10 300 136 220 100 170 77
21 6.40 265 120 190 86 145 66
22 6.71 230 104 165 75 125 57
23 7.01 205 93 140 64 105 48
24 7.32 180 82 120 54 85 39

*Due to Ergonomic considerations, each rail span distance is tested to determine the maximum single point load required to achieve a predetermined deflection based on a ratio of 1:350 (1” of deflection for each 350” of length), 1:450 (1” of deflection in 450” of length) or 1:550 (1” of deflection for each 550” of length).

For purposes of estimating approximate ergonomic force requirements, the following formula may be used:

0.009 x total mass = maximum effort (in lbf) required to overcome inertia. Effort required to sustain movement is generally 0.35 x effort to overcome inertia e.g.,

250 lbs. (1.03 kg) mass x 0.009 = 2.25 lbf (0.9 kg) to overcome inertia

2.25 (0.9 kg) x 0.35 = .79 lbf (0.36 kg) to sustain movement

ERAD7000 Capacity Chart

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ERAD7000 Capacities

Hanger Span Deflection Criteria
1:350 Capacity* 1:450 Capacity* 1:550 Capacity*
ft m lbs kg lbs kg lbs kg
5 1.52 3000 1360 3000 1360 3000 1360
6 1.83 3000 1360 3000 1360 3000 1360
7 2.13 3000 1360 3000 1360 3000 1360
8 2.45 2940 1334 2940 1334 2940 1334
9 2.74 2610 1184 2610 1184 2610 1184
10 3.05 2345 1064 2345 1064 2345 1064
11 3.35 2130 966 2130 966 2130 966
12 3.66 1945 882 1945 882 1945 882
13 3.96 1795 814 1795 814 1720 780
14 4.27 1660 753 1660 753 1475 669
15 4.57 1545 701 1545 701 1275 578
16 4.88 1445 655 1370 621 1110 503
17 5.18 1355 615 1205 547 975 442
18 5.49 1280 581 1065 483 860 390
19 5.79 1205 547 950 431 765 347
20 6.10 1105 501 845 383 680 308
21 6.40 995 451 760 345 610 277
22 6.71 895 406 685 311 545 247
23 7.01 810 367 615 279 490 222
24 7.32 735 333 555 252 440 200

*Due to Ergonomic considerations, each rail span distance is tested to determine the maximum single point load required to achieve a predetermined deflection based on a ratio of 1:350 (1” of deflection for each 350” of length), 1:450 (1” of deflection in 450” of length) or 1:550 (1” of deflection for each 550” of length).

For purposes of estimating approximate ergonomic force requirements, the following formula may be used:

0.009 x total mass = maximum effort (in lbf) required to overcome inertia. Effort required to sustain movement is generally 0.35 x effort to overcome inertia e.g.,

250 lbs. (1.03 kg) mass x 0.009 = 2.25 lbf (0.9 kg) to overcome inertia

2.25 (0.9 kg) x 0.35 = .79 lbf (0.36 kg) to sustain movement

Videos

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*ERail Electrified Rail Systems

Accessories

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