Allen-Bradley 1770-M10 Specifikace stáhnout pdf (Strana 56)

56 Rockwell Automation Publication PFLEX-AP009A-EN-P - September 2012

Chapter 1 Drive Comparisons

1395 External Field Transformer Connections

Figure 22 - 1395 - All Drives

1...30 Hp, 230 VAC

2...60 Hp, 460 VAC

TB1

TB8

To field bridge

25 A

50 A

Series B

125...300 Hp, 230 VAC

250...600 Hp, 460 VAC

MKVA Series B

40...100 Hp, 230 VAC

75...200 Hp, 460 VAC

Series A

230V

Field transformer

secondary 460V

Field transformer

secondary 460V

Field transformer

secondary 460V

(2)

Sized to load

(1)

(1) The primary of the external field transformer requires branch circuit protection, to be fused with FRN

or FRS style fuses. Refer to NEC Code (and local codes) for sizing.

(2) The secondary of the external field transformer must be fused with semiconductor type fuses; type

FWH-25 or FWH-50 depending on drive Hp rating.

Sized to load

1 2 ... 51 52 53 54 55 56 57 58 59 60 61 ... 193 194

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Allen-Bradley 1770-M10 Specifikace Strana 56