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LW28 Series Universal changeover switch mainly used for AC 50Hz, rated voltage up to 380V and below, rated current to 160A electrical circuit for manually infrequent making or breaking the circuit for the purposes of control and conversion ,can also controlling three-phase asynchronous motors and circuit directly as the purposes of master control and measurement. The products widely used, instead of the various national switch, can be used as the circuit control switch, measuring equipment switches, motor control switches and the master control switch, and welding machine switch and so on. Compliance with standards: The changeover switch use to the main circuit switching and direct control comply with GB14048.3-2001. The changeover switch use to master control comply with GB14048.5-2001and IEC 60947.3.

Normal Working Conditions

1.The ambient air temperature does not exceed +40℃, the average temperature within 24 hours and not more than +35℃. 2.The ambient air temperature is not lower than -5℃. 3.Installation site altitude does not exceed 2000m. 4.The relative humidity of the air no more than 50% when the maximum temperature is +40℃ and at a lower temperature allows a higher relative humidity, such as when temperature is 20℃ the relative humidity reach 90%. To condensation occasionally due to temperature changes should take special measures.

model	Plate S:square REC:rectangle	Overall dimension(mm)			Installation dimension(mm)
model	Plate S:square REC:rectangle	A	B	C	L	E	F	D1	D2
LW28-10	M0 S	30	30	28	22+8n	20		Φ8	Φ3.2
LW28-20	M1 S	48	48	63	22+9.6n	36	36	Φ8.5	Φ4.5
	M2 S	64	64	43	25+9.6n	48	48	Φ10	Φ4.5
	M2 REC	64	80	43	25+9.6n	48	48	Φ10	Φ4.5
LW28-20C	M2 S	64	64	60	42.5+12.6n	48	48	Φ10	Φ4.5
	M2 REC	64	80	60	42.5+12.6n	48	48	Φ10	Φ4.5
	M3 S	88	88	60	42.5+12.6n	68	68	Φ13	Φ6
LW28-25	M1 S	48	48	45.2	23+12.8n	36	36	Φ8.5	Φ4.5
	M1 REC	48	60	45.2	23+12.8n	36	36	Φ8.5	Φ4.5
	M2 S	64	64	45.2	26.5+12.8n	48	48	Φ10	Φ4.5
	M2 REC	64	80	45.2	26.5+12.8n	48	48	Φ10	Φ4.5
LW28-32	M2 S	64	64	58	29.2+12.8n	48	48	Φ10	Φ4.5
	M2 REC	64	80	58	29.2+12.8n	48	48	Φ10	Φ4.5
	M3 S	88	88	58	29.2+12.8n	68	68	Φ13	Φ6
LW28-63	M2 S	64	64	66	29.2+21.5n	48	48	Φ10	Φ4.5
	M2 REC	64	80	66	29.2+21.5n	48	48	Φ10	Φ4.5
	M3 S	88	88	66	29.2+21.5n	68	68	Φ13	Φ6
LW28-125	M3 S	88	88	84	35+26.5n	68	68	Φ13	Φ6
LW28-160	M3 S	88	88	88	35+32.5n	68	68	Φ13	Φ6
LW28-200	M4 S	130	130	126	39.5+38.5n	104	104	Φ16	Φ7
LW28-315	M4 S	130	130	126	39.5+38.5n	104	104	Φ16	Φ7
LW28-400	M4 S	130	130	126	39.5+38.5n	104	104	Φ16	Φ7

LW28 Series Changeover Rotary Cam Switch

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Normal Working Conditions

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