Page 28 - WENZHOU ZHUOCHAO ELECTRIC CO.,LTD.

Model and its meaning of change-over switch used for directly controlling motor
LW 12 - 16 / 5.5 □ · □

Contact system section number
Purpose code
Controlled three-phase AC squirrel cage asynchronous motor
Motor maximum capacity
Conventional free air heating current
Design code
Universal change-over switch

Note: purpose code: Q1-direct starting 2 sections Q2-direct starting 3 sections N-reversible change-over
S-Two-speed motor speed variation T-SN-Two-speed motor speed variation, reversibility.

Technical parameters

Model and specification LW12-16 LW12-20
Rated insulation voltage Ui V 500 500
Conventional heating current Ith A 16 20
Rated operating voltage Ue V 220 380 220 380
Rated operating current Ie
AC-15 A 2.6 2.6
AC-3 A
DC-13 A 0.27 0.27
AC-21 A

External dimension and Installation dimension(mm)
1-5（ Thickness of mounting panel）
> Positioning type
2-Φ4.5 Φ8

30
□48 L=42.5+12.5n 33
Note: L= size of 1 section N denotes contact system plus section number

1-5（ Thickness of mounting panel）
> Positioning type
and self-resetting
2-Φ4.5 Φ8
positioning type
30
□48 L=64.5+12.5n 33
Note: L= size of 1 section N denotes contact system plus section number

> Transparent 48
anti-explosion type
2-Φ4.5 Φ8
Φ7.8
50 30
6 30
L=42.5+12.5n 13 25
Note: L= size of 1 section N denotes contact system plus section number
P 24