Smart single unit charger for intrinsically safe 7.2 V DC battery pack

3M Powerflow intelligent charger: performance and safety for low-voltage batteries

3M Manufacturer Code: 521-01-43R01

The 7.2-volt low-voltage intelligent battery charger from 3M is specifically designed for Powerflow powered air-purifying respirator (PAPR) systems. Thanks to its intrinsically safe design, it can be used in potentially explosive or contaminated environments without compromising user safety. This charger is an essential accessory for professionals in asbestos removal, decontamination, and heavy industry. This basic charger model can fully recharge an RBS/17IS battery in eight hours. It also features a light-emitting diode that indicates the charging status and includes an automatic switching device to prevent overcharging. Sold individually.

Compatible with masks:

• (R6700PF)
• (R6800PF)
• (R6900PF)

An essential control tool for 3M powered respirators.

Technical specifications of the 7.2 V intrinsically safe charger

This 3M charger is compatible with rechargeable batteries used in Powerflow blower motors. It operates at a voltage of 7.2 volts and is designed to provide stable and controlled charging, thereby extending battery life. Its intrinsically safe design means it is built to prevent sparks or overheating, even in the presence of combustible dust or flammable vapours.

Installation and Use of the Powerflow 3M Charger

Using the charger is simple: connect the compatible battery to the charger, then plug the charger into a compliant power source. A light indicator shows the charging status. It is recommended to charge batteries in a dry environment at room temperature and never leave a battery connected beyond the full charging cycle.

Maintenance and Usage Precautions

To ensure the longevity of the charger, clean it regularly with a dry cloth and store it away from moisture and impacts. Periodically check the condition of cables and connectors. Never use the charger with a damaged or incompatible battery. If in doubt, consult a qualified technician or 3M customer service.

FAQ – 3M Powerflow 7.2 V intelligent charger

Is this charger compatible with all 3M batteries?

No, it is specifically designed for intrinsically safe batteries used with Powerflow PAPR systems. Check compatibility before use.

Can this charger be used in an ATEX zone?

If you need to use this charger in an ATEX-regulated area, you must check with 3M or your HSE manager to ensure that model 521-01-43R01 has the ATEX certification required for your specific area. The words “intrinsically safe” are a good indicator, but are not a substitute for official certification.

How long does a full recharge take?

Charging time depends on the battery’s condition but generally ranges between 4 and 6 hours.

Complementary suggestions for the 7.2 V charger

The regulatory poster for asbestos removal work (EAMIANTE), the poster “Wearing a helmet, safety glasses, vest, and boots is mandatory” (ECO133).

Under “Accessories” at the bottom of the page. If you are looking for work equipment, check out the following products: Powerflo complete respiratory protection set (R6800PF), yellow bags for asbestos waste (SAC3350) and clear bags for asbestos waste (SAC3350C).

The green text corresponds to hyperlinks leading to specific safety equipment or general information.