B901-077-4 BOWMAR Calculator Power Supply Vac

Review BOWMAR Calculator Power Supply 115 230 Vac Output

The Bowmar B901-077-4 Calculator Power Supply is an essential accessory for powering your scientific or graphing calculator. This versatile power supply is designed to operate in both 115V and 230V AC electrical environments, making it a great choice for users in various parts of the world. With a power output of 14 watts, it can deliver a maximum current of 140mA to your calculator.

The power supply features a center-positive 2.1mm DC barrel jack output, which is a standard connector for most calculators. The AC input is protected by a fuse, ensuring the safety of the power supply and your calculator. The exterior is housed in a durable, high-quality plastic casing that is both lightweight and sturdy, allowing for easy transportation.

The Bowmar B901-077-4 Calculator Power Supply includes a built-in overcurrent protection circuit, which automatically shuts off the power if the current exceeds the recommended level. This not only ensures the safety of your calculator but also extends its lifespan by preventing any potential damage from overcharging.

The power supply also comes with a detachable 6-foot long power cord, providing ample reach to plug in the power supply from a convenient location. The compact size of the power supply and its lightweight design make it an ideal travel companion, allowing you to take your calculator with you wherever you go.

In summary, the Bowmar B901-077-4 Calculator Power Supply is a reliable and versatile accessory for powering your scientific or graphing calculator. With its wide voltage range, adjustable current output, and built-in protection features, it ensures the safe and efficient operation of your calculator. The durable design, detachable power cord, and compact size make it a practical and convenient choice for both home and travel use.

The Bowmar B901-077-4 Calculator Power Supply is a voltage converter designed to provide power to scientific calculators that require 115V or 230V AC input. Here are some potential pros and cons of buying this product:

1. Versatile: This power supply can convert both 115V and 230V AC inputs to the required voltage levels for scientific calculators, making it a convenient option for users in different regions.

2. Compact design: The power supply has a compact size, making it easy to transport and use in various locations.

3. Safety features: The power supply is equipped with overcurrent protection, which helps prevent damage to the calculator or the power supply itself.

1. Limited power output: With a maximum output current of 140mA, this power supply may not be suitable for calculators that require higher power levels.

2. Not UL listed: The Bowmar B901-077-4 power supply is not UL listed, which means it may not meet certain safety standards required in some industries or regions.

3. No voltage selection switch: The power supply automatically detects the input voltage and sets the output voltage accordingly. Some users may prefer a manual voltage selection switch for more control over the output.

The Bowmar B901-077-4 Calculator Power Supply is a convenient and compact option for providing power to scientific calculators that require 115V or 230V AC input. However, its limited power output and lack of UL listing or manual voltage selection switch may be drawbacks for some users. Ultimately, the decision to purchase this power supply depends on the specific requirements of the user and their calculator. If the calculator's power requirements are within the power supply's capabilities and the user is not concerned about UL listing or manual voltage selection, then the Bowmar B901-077-4 power supply could be a good choice. Otherwise, users may want to consider other options with more features or higher power output.

For users who require a power supply with higher power output or UL listing, I would recommend considering other options in the market. Some examples include the Tripp Lite ANG series or the Ultra Lite Technology UL101-230-10-2 power supplies. These options offer higher power output and UL listing, making them more suitable for users with more demanding calculators or those who require safety certifications. Additionally, some of these power supplies offer manual voltage selection switches for greater control over the output.

Details:

Tested working. Good physical condition with voltage marking on the side as shown and other normal signs of previous use. Unpacked weight size: 8.2oz, packed 15oz package notes ref: 5d33: note: unless specifically indicated otherwise, the shipping charge quoted is to addresses in contiguous 48 USA.

specifications vintcalc:

• brand: Bowmar
• mpn: B901-077-4
• part type: Calculator Supply
• country/region of manufacture: United States
• vintage: Yes

seller vintcalc:

• # reviews: 15956
• rating: 100.0%
• city: springfield, vermont

payments vintcalc:

• other
• credit card: mastercard
• wallet: apple-pay

returns vintcalc:

• policy: returns accepted
• method: money back
• time: 60 days
• paid by: buyer

offer vintcalc:

• in stock #: 1
• availability: in stock
• started: april 19, 2025
• price: $25.99
• item condition: Used
• sold #: 22
• options: ship-to-home

general vintcalc:

• category: Electronics > Vintage Calculators

shipping vintcalc:

• transit: 4-9 days
• type: calculated
• carrier: usps
• class: standard
• service: usps ground advantage