Bussmann BP/AGC-2-RP 2 Amp Electronic Glass Fuse Instruction Manual

1. Product Overview

The Bussmann BP/AGC-2-RP is a fast-acting glass tube fuse designed for reliable circuit protection in various applications, including automotive and electronic systems. This 2 Amp fuse is engineered to respond quickly to overloads, safeguarding equipment from potential damage.

Key features include a 1/4 inch x 1-1/4 inch size, a 2 Amp at 250 Volt rating, and a high interrupting capacity of 100A. Its durable construction features a clear glass tube and nickel-plated brass endcaps, allowing for easy visual inspection of the fuse element. This product meets UL standards for quality and safety.

Image 1: A single Bussmann AGC-2-RP 2 Amp glass fuse, showing its clear glass body and metallic end caps.

2. Specifications

This section provides detailed technical specifications for the Bussmann BP/AGC-2-RP fuse.

• Model: AGC-2 (BP/AGC-2-RP)
• Current Rating: 2 Amps
• Voltage Rating: 250 Volts
• Interrupting Capacity: 100A
• Fuse Type: Fast-acting glass tube fuse
• Dimensions (L x Dia): 1-1/4 inches x 1/4 inch (31.75 mm x 6.35 mm)
• Material: Glass tube, nickel-plated brass endcaps
• Mounting Type: Through-Hole Mount
• Compliance: UL Listed
• Weight: Approximately 1.44 ounces (for a pack of 5)

Image 2: Technical Data Sheet Page 1, detailing AGC fast-acting glass tube fuses, applications, agency information, and ordering codes.

Image 3: Technical Data Sheet Page 2, showing electrical characteristics and a product specifications table with AC interrupting ratings for various AGC fuses.

Image 4: Technical Data Sheet Page 3, illustrating fuse dimensions, a temperature derating curve, and general specifications.

Image 5: Technical Data Sheet Page 4, displaying the time-current curve for AGC fuses, indicating their response time to various overcurrent conditions.

3. Installation and Replacement

Fuses are critical safety components. Always ensure the power supply to the circuit is disconnected before attempting installation or replacement.

1. Identify the Correct Fuse: Ensure the replacement fuse matches the original fuse's specifications (e.g., 2 Amp, 250V, AGC type). Using an incorrect fuse can lead to improper circuit protection or damage.
2. Disconnect Power: Turn off the power to the circuit or device where the fuse is located. This is crucial for safety.
3. Locate Fuse Holder: Identify the fuse holder. This may be a clip-type holder, a screw-in holder, or part of a fuse block.
4. Remove Old Fuse: Carefully remove the blown fuse. For glass tube fuses, a fuse puller tool is recommended to avoid breakage or injury.
5. Inspect Fuse Holder: Check the fuse holder for any signs of damage or corrosion. Clean if necessary.
6. Insert New Fuse: Insert the new Bussmann BP/AGC-2-RP fuse into the fuse holder, ensuring it is seated firmly and correctly.
7. Restore Power: Once the new fuse is securely in place, restore power to the circuit.
8. Test Functionality: Verify that the device or circuit is functioning correctly.

Note: If the new fuse blows immediately, there may be an underlying electrical issue that requires professional diagnosis.

4. Operation

The Bussmann BP/AGC-2-RP fuse is a passive safety device designed to protect electrical circuits from overcurrent conditions. It operates by containing a metallic wire or filament that melts and breaks the circuit when the current flowing through it exceeds a specified rating for a certain duration. This interruption prevents damage to sensitive components and wiring due to excessive current or short circuits.

As a fast-acting fuse, it is designed to open quickly under overload conditions, making it suitable for protecting components that are sensitive to even brief overcurrents.

5. Maintenance

Fuses generally require minimal maintenance. However, periodic inspection can help ensure continued circuit protection.

• Visual Inspection: Due to its clear glass construction, the fuse element can be visually inspected. A blown fuse will typically show a broken or melted filament.
• Replacement: Fuses are single-use devices. Once a fuse blows, it must be replaced with a new one of the exact same type and rating. Do not attempt to repair a blown fuse.
• Storage: Store spare fuses in a dry, cool place, away from direct sunlight and extreme temperatures, to maintain their integrity.

6. Troubleshooting

If a device or circuit stops working, a blown fuse is a common cause. Follow these steps to troubleshoot:

1. Check for Power: Ensure the device is plugged in and the main power supply is active.
2. Locate the Fuse: Refer to your device's manual to find the fuse location.
3. Inspect the Fuse: Visually check the fuse. If the filament inside the glass tube is broken or discolored, the fuse is blown.
4. Replace the Fuse: If the fuse is blown, replace it with a new Bussmann BP/AGC-2-RP fuse, following the installation instructions in Section 3.
5. Persistent Blowing: If the new fuse blows immediately or shortly after replacement, it indicates a persistent electrical fault (e.g., a short circuit or overload) in the device or circuit. In such cases, discontinue use and consult a qualified electrician or service technician. Do not repeatedly replace fuses without addressing the underlying problem.

7. Safety Information

Always adhere to safety precautions when working with electrical components.

• Disconnect Power: Always disconnect power to the circuit before installing, inspecting, or replacing fuses.
• Use Correct Rating: Only replace a fuse with one of the identical current (Amps) and voltage (Volts) rating. Using a fuse with a higher rating can lead to overheating, fire, or severe damage to equipment. Using a fuse with a lower rating will cause it to blow prematurely.
• Avoid Bridging: Never bypass or "bridge" a fuse with wire, foil, or any other conductive material. This eliminates the safety protection and can cause severe damage or fire.
• Handle with Care: Glass fuses can break. Handle them carefully to avoid injury.
• Professional Assistance: If you are unsure about any electrical work, consult a qualified professional.

8. Support and Contact

For further technical assistance or inquiries regarding Bussmann products, please refer to the official Bussmann documentation or contact their customer support.

Bussmann is a brand of Eaton. Additional technical data and support resources may be available on the Eaton website.

Image 6: Technical Data Sheet Page 5, providing wave solder profile, manual solder recommendations, life support policy, and contact information for Eaton/Bussmann.

Manufacturer: Bussmann Electrical (an Eaton brand)

For the most current information, please visit the official Bussmann or Eaton website.