Branch Circuit/Short Circuit Protection Requirements - Parker 590+ DRV Product Manual

Branch Circuit/Short Circuit Protection Requirements

The controller requires branch circuit protection. Branch circuit protection requirements must be in accordance with the latest addition of the National
Electrical Code, NEC/NFPA-70.
UL Recognized Component (JFHR2) semiconductor fuses with current ratings and maximum I
controller. Refer to the table below for the recommended fuse manufacturer and part number.
Motor HP @
500V dc
7.5
20
20
30
40
50
60
75
100
50 ●
150
200
300
400
500
900
* Other UL Recognized Component (JFHR2) semiconductor fuses may be used in the controller provided that the voltage, ampere and I
ratings shown above are not exceeded.
● Rated armature voltage: 240V dc
NOTE
Table B- 1 Short Circuit Protection Requirements
DC590+ DRV Series DC Digital Drive
Controller Rating
(A) (Vac)
15 500
35 500
40 500
70 500
70 500
110 500
110 500
165 500
165 500
180 500
270 500
380 660
500 660
725 660
830 660
1580 660
Semiconductor fuses are acceptable as branch circuit short-circuit protection for the solid-state motor controllers only.
2
t ratings as specified below must be used in the
Input Line Semiconductor Fuses
Ratings
(A) I 2 t (A 2 s)
31.3 750
31.3 750
31.3 750
71.6 1300
71.6 1300
111.8 2860
111.8 2860
156.6 7540
156.5 7540
? ?
? ?
550 135000
700 300000
900 670000
1000 945000
2 x 1000 945000
Certification
Part No. Gould
or equivalent*
A60Q35
A60Q35
A60Q35
A50QS80-4R
A50QS80-4R
A50QS125-4R
A50QS125-4R
A50QS200-4R
A50QS200-4R
Part No. Bussmann or equivalent*
170M6809
170M6811
170M6813
170M6814
170M6814
B-5
2 t