Mersen, formerly Ferraz Shawmut UL 98 Technical Data

UL 98 Fusible
Disconnect Switches

Technical Data

Technical data according to UL/cULus

General purpose amp rating pf= 0.7...0.8 -40° to 40 °C A 30 60 100 200

Max. operating voltage

pf= 0.4...0.5 Three phase 240 V HP/A 7.5/22.0 15/42.0 30/80.0 60/154.0

480 V HP/A 15/21.0 30/40.0 60/77.0 125/156.0

Max. horsepower rating / motor FLA current

Single phase 120 V HP/A 2/24.0

Short circuit rating with fuse, 3 and 4-pole types

Min. electrical endurance pf= 0.75...0.8 operation cycles 6000 6000 6000 6000

Mechanical endurance operation 20 000 20 000 20 000 16 000

Terminal lug kits Integral Integral LUG100 LUG200

Wire range AWG #18-8 #14-4 #14-2/0 #4-300MCM

Torque

Technical data according to IEC 60947-3

Rated insulation voltage Pollution degree 3 V 1 000 1 000 1 000 1 000

Dielectric strength 50 Hz 1min. kV 10 10 10 10

Rated impulse withstand voltage kV 12 12

Rated thermal current in ambient 40 °C / In open air A/W 32/3.5 63/7.5 160/12 200/17

1)

max. fuse power dissipation

...with minimum cable cross section Cu mm

Rated operational current, AC-23A

Rated operational power, AC-23

Rated breaking capacity in category AC-23

Rated short-time withstand current, 1 s r.m.s. -value kA 1 2.5 5 8

Power loss / pole With rated current, without fuse W 2 4 9 8

Weight without accessories

Built-in terminal size Cu mm

Terminal bolt size (included) Metric thread diameter x length mm M6x20 M8x25

Fuse-links bolts tightening torque Nm 4 4

*) = Utilization category B

1) Ambient temperature 60°C: derating 20%

2) Mounting on "ceiling": derating 10%. Mounting on wall, horizontal fuses: derating 8%.

3) Some fuses limit these figures further. Starting current characteristics must be considered separately.

4) Approval pending

5) 30 lb.in with cable size #14-10, 35 lb.in with cable size #8-4

In enclosure2) A/W 32/3.5 63/7.5

3)

UL/CSA fuse size A 30 60 100 200

UL/CSA fuse type J/CC J J J

Wire tightening lb.in 17 30/35

Lug mounting lb.in N/A N/A 50 72

The kW-ratings are accurate for
three-phase 1500 R.P.M.
standard asynchronous motors.

3-pole switch fuses kg 0.7 1.3 1.5 2.6

4-pole switch fuses kg 0.9 1.6 1.8

600 V HP/A 20/22.0 50/52.0 75/77.0 150/144.0

240 V HP/A 3/17.0

up to 500 V A 32 63 160 200

690 V A 32 63 160 200

230 V kW 7.5 18.5 45 60

400 V kW 15 30 75 110

415 V kW 15 30 75 110

500 V kW 18.5 37 90 132

690 V kW 22 55 132 200

up to 500 V A 256 504 1280 1600

690 V A 256 504 1280 1600

VAC 600 600 600 600

VDC 250 250 250 250

kA 200 200 200 200

5)

120 275

160/10,
135/12

2

6 16 70 95

2

0.75...10 2.5...25

200/15

K

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