Page 681 - V16 Catalogue Final

MOTOR PROTECTION

FUSE SELECTION FOR ASSISTED MOTOR STARTING
(Star-Delta, Autotransformer, Resistor or Reactor)
TECHNICAL
RESOURCES
Motor FLC (A) Recommended GEC,
ABB or IPD Fuse-Link Rating (A)
From To Type T ‘gG’ Type T ‘gM’ DIN Type ‘gL’ - ‘gG’
0 1.4 2 - 4
1.5 2.1 4 - 4
2.2 3.1 6 - 6
3.2 5.5 10 - 10
5.6 10 16 - 16
10.1 14 20 - 20
14.1 18 25 20M25 25
18.1 22 32 - 32
22.1 28 35 32M35 35
28.1 32 40 32M40 40
32.1 40 50 - 50
40.1 51 63 - 63
51.1 80 80 - 80
80.1 100 100 - 100
100.1 125 125 - 125
125.1 160 160 - 160
160.1 200 200 - 200
200.1 250 250 - 250
250.1 315 315 - 315
315.1 355 355 - 355
355.1 400 400 - 400
400.1 450 450 - 500
450.1 500 500 - 500
500.1 560 560 - 630
560.1 630 630 - 630
630.1 670 670 - 800
670.1 710 710 - 800
710.1 750 750 - 800
1. Assumed starting conditions: Motor Rating Run-Up
Up to 1kW 2.5 x FLC for 20 secs.
1.1 to 7.5kW 3.5 x FLC for 20 secs.
Greater than 75kW 3.5 x FLC for 15 secs.
Operating cycle of 2 starts in rapid succession and up to 8 starts per hour.

2. Suitable adjustments to the recommended ratings may be necessary for:
(a) Starting conditions in excess of the assumed starting conditions.
(b) High enclosure (fluid environment) temperatures more than 35°C. Some fuses need to be derated
as indicated on page 677.

Phone: 1300 556 601 www.ipd.com.au V16-TR-R03 673