User manual

2.2.5 CT Ratios

z NOTE: See P78/FUN 03 (CT Ratio) parameter on page 126 for more information.

Starter Power Ratings

2.3 Starter Power Ratings

Each RB2 model starter is rated for three different starting duties. For example, a starter can operate a:

300HP motor for a standard duty start (350% for 30 seconds)

200HP for a heavy duty start (500% for 30 seconds)

150HP motor for a severe duty start (600% for 30 seconds)

450HP motor when connected to the inside delta of a motor for a standard duty start (350% for 30 seconds)

2 - TECHNICAL SPECIFICATIONS

CT Ratio

Minimum FLA

(A rms)

Maximum FLA

(A rms)

72:1

(4 wraps 288:1)

96:1

(3 wraps 288:1)

5 21

144:1

(2 wraps 288:1)

8 32

288:1 15 64

864:1 45 190

2640:1 135 590

3900:1 200 870

5760:1 295 1285

8000:1 410 1800

14400:1

(CT-CT combination)

740 3200

28800:1

(CT-CT combination)

1475 6400

Table 3: CT Ratios