control box (LA101K- (1BS, 2BS, 3BS))

Has 4 kinds with installation bore of 30mm and aluminum material
Features:
1) Can be applicable to a circuit of AC 50 / 60Hz, voltage up to 660V and DC voltage
  up to 440V
2) Used to remotely control electromagnetic starter, contactor, relay
  and other electric appliances
3) Accessories that can be installed include: flat head type, self-locking type, mushroom
  head type, button with light ≤380V, knob type, spin type, key type, indicator lamp
  direct type ≤380V, indicator lamp transformer type 220V and 380V, indicator lamp
  220V square head button with light