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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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Li-ion RBRC seal

Designates Li-ion 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 by the Canadian Standards Association, to United States and Canadian Standards.

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

This symbol designates that

this tool complies to NOM Mexican Standards.

This symbol designates that this tool is listed by the Intertek Testing Services, to United States and Canadian Standards.

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Bosch Power Tools PS21BN, PS21-2A manual Symbols, Symbol Name Designation/Explanation

PS21, PS21B, PS21BN, PS21-2A specifications

Bosch Power Tools has established itself as a trusted name in the world of power tools, with a commitment to innovation and quality. Among their notable offerings are the Bosch PS21-2A, PS21BN, PS21B, and PS21 models, which stand out for their versatility and performance. These tools are designed for both professionals and DIY enthusiasts, providing reliability and efficiency in various applications.

The Bosch PS21-2A is a compact and lightweight 12-volt drill/driver that boasts a two-speed transmission. With a high-speed option for drilling and a low-speed setting for driving screws, this model offers flexibility for a range of tasks. The integrated LED light illuminates dark work areas, enhancing visibility and control. The PS21-2A features a 3/8-inch single sleeve chuck that allows for easy bit changes, making it user-friendly and efficient.

Its lightweight design, weighing only 2.3 pounds, reduces user fatigue during extended use. The tool's handle is ergonomically designed for comfort, providing a secure grip. Additionally, the Bosch PS21-2A includes an impact-resistant battery that ensures longer run time and durability.

The PS21BN and PS21B models are essentially an extension of the PS21-2A, featuring similar essential characteristics but tailored to specific user needs and preferences. The PS21BN includes a Bluetooth capability, allowing users to connect the tool to their smartphones for tracking usage, setting reminders, and receiving maintenance alerts. This tech-driven feature is ideal for individuals who appreciate advanced connectivity in their tools.

The PS21B model retains the core functionalities of the PS21 series and is perfect for users looking for a reliable drill without extra features. All PS21 variants are engineered with Bosch's durable design and innovative technology, ensuring long-term performance.

Another noteworthy aspect of these tools is their electronic motor protection. This technology prevents overheating, promoting the longevity of the drill/driver while maintaining consistent performance.

In summary, Bosch PS21-2A, PS21BN, PS21B, and PS21 are impressive power tools, combining cutting-edge technology with practical features. Users can expect durability, comfort, and superior performance across all models, making them an excellent choice for any task, whether at home or on the job site.