Lenze SCD Series User Manual
Page 14
11
7.1
INPUT VOLTAGE RATINGS
SD200 Series drives are rated for 208/240 Vac, three phase, 50-60 Hz input. The drive will function
with input voltages of 208 to 240 Vac (+10%, -15%), at 48 to 62 Hz.
SD200Y Series drives are rated for 208/240 Vac, single or three phase, 50-60 Hz input. The drive
will function with input voltage of 208 to 240 Vac (+10%, -15%), at 48 to 62 Hz.
SD400 Series drives are rated for 400/480 Vac three phase, 50-60 Hz input. The drive will function
with input voltages of 400 to 480 Vac (+10%, -15%), at 48 to 62 Hz.
SD500 Series drives are rated for 480/590 Vac, three phase, 50-60 Hz input, and will function with
input voltages of 480 to 590 Vac (+10%, -15%), at 48 to 62 Hz.
NOTE: Parameter 01 - LINE VOLTAGE SELECTION must be programmed according to the applied
input voltage. See Section 15.0 - DESCRIPTION OF PARAMETERS.
7.2
INPUT FUSING AND DISCONNECT REQUIREMENTS
A circuit breaker or a disconnect switch with fuses must be provided in accordance with the National
Electric Code (NEC) and all local codes. Refer to the following tables for proper fuse/circuit breaker
ratings and wire sizes.
MODEL
RATING
MODEL
RATING
MODEL
RATING
MODEL
RATING
SD203Y
10 A
SD203Y
10 A
SD205Y
10 A
SD205(Y)
10 A
SD405
10 A
SD210Y
15 A
SD210(Y)
10 A
SD410
10 A
SD510
10 A
SD215Y
20 A
SD215(Y)
12 / 10 A
SD415
10 A
SD220Y
25 / 20 A
SD220(Y)
15 / 12 A
SD420
10 A
SD520
10 A
SD230Y
30 / 25 A
SD230(Y)
20 / 15 A
SD430
10 A
SD530
10 A
SD250Y
45 / 40 A
SD250(Y)
30 / 25 A
SD450
15 A
SD550
12 A
SD275
45 / 40 A
SD475
20 A
SD575
20 A
SD2100
50 / 50 A
SD4100
30 / 25 A
SD5100
20 A
SD2150
80 / 75 A
SD4150
40 / 40 A
SD5150
30 A
SD2200
100 / 90 A
SD4200
50 / 45 A
SD5200
40 A
SD4250
70 / 60 A
SD5250
45 A
480/590 Vac, 3 phase
INPUT FUSE & CIRCUIT BREAKER RATINGS
400/480 Vac, 3 phase
208/240 Vac, 1 phase
208/240 Vac, 3 phase
NOTE 1: Use UL Class CC fast-acting, current limiting type fuses. Select fuses with low I
2
T
values, rated at 200,000 AIC. Recommended fuses are Bussman KTK-R, JJN, and JJS. Similar fuses
with equivalent ratings by other manufacturers may also be acceptable.