Page 54 - WENZHOU ZHUOCHAO ELECTRIC CO.,LTD.
P. 54
3LB3 Series universal anti-explosion switch
Purpose
Belonging to 3LB3 series universal anti-explosion switch, this product adopts German SIEMENS technology and is mainly applied to loaded
starting and variable speed steering of three-phase asynchronous motor, as well as converting main circuit and auxiliary circuit. It can
completely substitute such change-over switch as HZ10, HZ12, LW5, LW6, HZ5, and H85-S etc.
Technical parameters
Model and specification 3LB3-25
Conventional heating current Ith A 25
Rated operating voltage Ue V 660
Rated operating current le
Mechanical life time (time) 3x10 6
Operating frequency (time/h) 500
External dimension and Installation dimension(mm)
56.5 Φ15 24
56 64 70 70 64 14
24
2-Φ5
24 24
52 2 16.5 15 15 21.5
62 69 23
ME-4 External dimension and Installation dimension(mm)
89
56
20
45 11 53
2
7
P 50
