Page 32 - WENZHOU ZHUOCHAO ELECTRIC CO.,LTD.

Product model and meaning
SZ L9 - □ □ □

20A has type A and type B: denote 20A with A or B
Operation chart serial number or auxiliary specification code
Conventional free air heating current
Design code
Enterprise code

Technical parameters

Model and specification SZL9-20 SZL9-25 SZL9-32 SZL9-50 SZL9-75 SZL9-125
Rated insulation voltage Ui V 690 690 690 690 690 690
Conventional heating current Ith A 20 25 32 50 75 125
Rated operating voltage Ue V 440 440 440 660 660 660
Rated operating current Ie 25 32 50 75 125
AC-15 A 20 32 40 63 100
AC-3 A 25 32 50 75 125
DC-13 A
AC-21 A 2.6 2.6 2.6 3.2 3.2 3.2
Rated control power P
AC-23A kW 7.5 11 18.5 22 30 30
AC-3 kW 5.5 7.5 15 18.5 22 22
AC-4 kW 3 4 5.5 7.5 11 11
DC-23 kW 1.2 2.2 2.2 6 8 8

External dimension and Installation dimension(mm)
F
A H L E
D1
G
C D2 F
D3
S max
Note: L= size of 1 section T max
N denotes contact system plus section number
All related dimensions in diagram 1 are specified in the following table.
Panel External dimension(mm) Installation dimension(mm)
Model and
specification
specification
(A) C H L E D1 D2 S F G D3 T
SZL9-20 □ 54 Φ44 38 36+12.5n 32 Φ9.5 Φ3.2 1.5 35 Φ45 Φ4.5 6
SZL9-20 □ 72 Φ44 38 36+12.5n 32 Φ9.5 Φ3.2 1.5 58 Φ45 Φ4.5 6
SZL9-25 □ 72 Φ59 36 39+17n 33 Φ9.5 Φ3.2 1.5 58 Φ64 Φ4.5 6
SZL9-25 □ 105 Φ59 53 39+17n 33 Φ9.5 Φ3.2 1.5 85 Φ64 Φ4.5 6
SZL9-32 □ 72 Φ59 36 39+17n 33 Φ9.5 Φ3.2 1.5 58 Φ64 Φ4.5 6
SZL9-32 □ 105 Φ59 53 39+17n 33 Φ9.5 Φ3.2 1.5 85 Φ64 Φ4.5 6
SZL9-50 □ 105 Φ80 53 53.5+19.5n 46 Φ13 Φ5.3 3 85 Φ90 Φ5.5 8
SZL9-75 □ 105 Φ80 53 60.5+26.5n 46 Φ13 Φ5.3 3 85 Φ90 Φ5.5 8
SZL9-125 □ 105 Φ80 53 60.5+26.5n 46 Φ13 Φ5.3 3 85 Φ90 Φ5.5 8

P 28