Bosch Power Tools 1644-24, 1645-24 manual Symbols

BM 2610925947 6-05 6/10/05 10:35 AM Page 6

Symbols

IMPORTANT: Some of the following symbols may be used on your tool. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the tool better and safer.

Symbol			Name	Designation/Explanation
		V	Volts	Voltage (potential)
		A	Amperes	Current
		Hz	Hertz	Frequency (cycles per second)
		W	Watt	Power
		kg	Kilograms	Weight
	min		Minutes	Time
		s	Seconds	Time
			Diameter	Size of drill bits, grinding wheels, etc.
		n0	No load speed	Rotational speed, at no load
.../min			Revolutions or reciprocation per minute	Revolutions, strokes, surface speed,
				orbits etc. per minute
0			Off position	Zero speed, zero torque...
1, 2, 3, ...			Selector settings	Speed, torque or position settings.
I, II, III,				Higher number means greater speed
0			Infinitely variable selector with off	Speed is increasing from 0 setting
			Arrow	Action in the direction of arrow
			Alternating current	Type or a characteristic of current
			Direct current	Type or a characteristic of current
			Alternating or direct current	Type or a characteristic of current
			Class II construction	Designates Double Insulated
				Construction tools.
			Earthing terminal	Grounding terminal
			Warning symbol	Alerts user to warning messages
			Ni-Cad RBRC seal	Designates Ni-Cad battery recycling
				program

This symbol designates that this tool is listed by Underwriters Laboratories.

This symbol designates that this tool is listed by the Canadian Standards Association.

This symbol designates that this tool is listed to Canadian Standards by Underwriters Laboratories.

This symbol designates that this tool is listed by Underwriters Laboratories, and listed to Canadian Standards by Underwriters Laboratories.

This symbol designates that

this tool complies to NOM Mexican Standards.

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