Insulated Switch-Disconnectors, IP65
LS Insulated Switch-Disconnectors, 20A-100A, TPN, IP65

Particularly suitable for installations requiring a high degree of ingress protection.

Units are intended for on-load switching of general purpose loads and for motor isolation.

 
  • Ingress protection to IP65
  • Complies with BS EN 60947-3
  • Rugged thermoplastic enclosures
  • Excellent AC-23 ratings
  • Provision for up to three padlocks for locking OFF as standard
  • Add on switched neutral poles or auxiliary contact
    (available as accessories)
  • Separate earth terminal
  • Minimum maintenance

Triple Pole & Neutral Switch-Disconnectors 20A-63A, IP65

Rated
Thermal
Current

Utilisation Category of
Ue 415V (3 Phase)
to BS EN 60947-3

Triple Pole & Neutral
Switch-Disconnector
to IP65

Accessories

Switched
Neutral

Auxiliary
Contacts

Ith

AC-21A
AC-22A

AC-23A

Cat. No.

Pole

Pole

20A

20A

11A

LS203N

-

-

25A

25A

14A

LS253N

LSN25-32

LSA25-63

32A

32A

28A

LS323N

LSN25-32

LSA25-63

63A

63A

55A

LS633N

LSN63

LSA25-63

100A

100A

69A

LS1003N

LSN63

LSA25-63

Short Circuit Protection

Unit

Maximum BS 88 Fuse
for Short Circuit

Rated Short Time
Withstand

Cat. No.

100kA

**

for 1 second

LS203N

20A

20A

240A

LS253N

25A

25A

640A

LS323N

50A

32A

640A

LS633N

80A

80A

1260A

LS1003N

100A

100A

2000A
** 6kA without contact welding (contacts closed).

Other Ratings

Rated
Thermal
Current

AC-23A
240V
1 Phase

AC-15*
240V
1 Phase

AC-15*
415V
1 Phase

AC-15*
500V
1 Phase

DC-21A
240V

DC-1
30V

DC-3
DC-5
24V

20A

11A

6A

4A

2A

1A

10A

10A

25A

14A

6A

4A

2A

-

25A

25A

32A

28A

6A

4A

2A

-

32A

25A

63A

55A

6A

4A

2A

-

63A

50A

100A

69A

6A

4A

2A

-

100A

50A
* Main pole of LS253N. Auxiliary contact of LS253N-LS633N.

Terminal Capacities - Copper Rigid Conductors
Note: Flexible conductors one size smaller

Rated
Thermal
Current

Phase

Maximum
Neutral

Auxiliary

Minimum
Phase/N

Minimum
Auxiliary

20A

2 x 2.5mm²

2 x 2.5mm²

-

1.0mm²

-

25A

2 x 6mm²

1 x 6mm²

2.5mm²

1.5mm²

0.75mm²

32A

2 x 6mm²

1 x 6mm²

2.5mm²

1.5mm²

0.75mm²

63A

1 x 35mm²

1 x 25mm²

2.5mm²

2.5mm²

0.75mm²

100A

1 x 35mm²

1 x 25mm²

2.5mm²

2.5mm²

0.75mm²

Dimensions

LS Insulated Switch-Disconnectors Dimensions mm.

Rated
Thermal
Current

Overall
Height

Overall
Width

Overall Depth including operating handle

20A

100

80

106

25A

160

100

135

32A

160

100

135

63A

240

160

160

100A

280

200

160

Top | Home | E-mail