ABB 3BHB031458R0001 QUINT-BUFFER/24DC/40A Buffer Module

ABB 3BHB031458R0001 is identified as a QUINT-BUFFER/24DC/40A buffer module used for short-duration energy buffering in industrial 24 V DC power systems. The component is associated with the ABB industrial equipment parts range and corresponds to the QUINT BUFFER technology used for maintaining DC power during brief interruptions. The module combines an electronic switchover function with capacitor-based energy storage in a single unit, allowing a connected DC load to remain supplied for a short period when the primary 24 V DC source is interrupted.

The technical identification of 3BHB031458R0001 is important because the QUINT BUFFER product family contains different current ratings and configurations. The 40 A version is specified for a 24 V DC system and is intended for applications where short interruptions could otherwise affect automation controllers, industrial computers, communication equipment, control circuits or other DC loads. The buffer module is therefore a power continuity component rather than a conventional programmable automation module.

Product Identification

• Manufacturer: ABB
• Article number: 3BHB031458R0001
• Product type: Buffer module
• Associated designation: QUINT-BUFFER/24DC/40A
• Nominal system voltage: 24 V DC
• Output current: 40 A
• Energy storage: Capacitor-based
• Installation concept: DIN rail mounting
• Application: Industrial DC power buffering
• Primary function: Short-duration power continuity

Buffer Module Function

The primary function of a buffer module is to bridge short interruptions in the DC supply. Instead of relying on a conventional battery system, the QUINT BUFFER uses capacitor-based energy storage. During normal operation, the energy storage system is maintained at the required operating condition. When the upstream DC supply becomes unavailable or drops below the defined operating threshold, the electronic switching section transfers the load to the stored energy source.

This arrangement is suitable for applications in which the interruption is measured in fractions of a second or a few seconds rather than an extended outage. The objective is to prevent sensitive DC equipment from losing power during brief disturbances and to provide sufficient time for the main supply to recover or for the control system to perform an orderly response.

24 V DC Power Architecture

Industrial automation systems commonly use 24 V DC as a control and instrumentation supply. Programmable controllers, remote I/O, communication equipment, sensors, relays and other electronic devices can depend on a stable DC supply.

A short voltage interruption can cause equipment to restart, lose communication or enter an unexpected operating state. A buffer module connected to the appropriate 24 V DC supply can reduce the effect of such disturbances by temporarily maintaining the output to the connected load.

ABB 3BHB031458R0001 is associated with the 40 A QUINT BUFFER configuration, making it suitable for higher-current 24 V DC control power applications where short-duration buffering is required.

Capacitor-Based Energy Storage

The QUINT BUFFER design uses capacitor-based energy storage rather than a conventional rechargeable battery. This architecture is intended for short backup intervals and provides a compact method of maintaining DC power during transient interruptions.

Technical information for the QUINT BUFFER family describes the energy storage system as capacitor based and maintenance-free. The 40 A configuration is specified for a 24 V DC system, while the available buffer time depends on the connected load and operating conditions. :contentReference[oaicite:1]{index=1}

Because the available stored energy is finite, the buffer duration decreases as the connected load current increases. A complete system calculation should therefore consider the actual load current and the required interruption time rather than relying only on the nominal 40 A rating.

40 A Output Capability

The 40 A designation identifies the current class of the module. It indicates that the QUINT-BUFFER/24DC/40A configuration is intended for a 24 V DC output system with a current capability of 40 A.

The current rating should not be interpreted as a fixed backup duration. Buffer duration is influenced by load current, stored energy, operating voltage and the characteristics of the connected DC system. Technical information for the 40 A QUINT BUFFER indicates that the buffer period changes according to the load. :contentReference[oaicite:2]{index=2}

For engineering purposes, the actual connected load should therefore be evaluated when determining whether the module can bridge a particular interruption.

Electronic Switchover

The QUINT BUFFER combines an electronic switchover unit with the energy storage section. Under normal supply conditions, the connected load receives power from the primary DC supply. When the input supply falls outside the applicable operating condition, the buffer circuit provides the transition to stored energy.

This electronic arrangement is important for industrial control applications because a rapid transfer helps reduce the possibility of a DC load experiencing a complete loss of supply during a short disturbance.

The buffer module operates as part of the overall power architecture and does not replace the primary power supply. The upstream power source remains responsible for supplying the normal operating load.

DIN Rail Installation

The QUINT BUFFER product family is designed for installation in industrial control cabinets, including DIN rail mounting. This arrangement allows the module to be incorporated into a structured control-panel power distribution system.

DIN rail installation also makes it possible to position the buffer module close to the relevant DC power supply and protected loads. The exact mounting orientation, clearance and wiring arrangement should follow the applicable installation documentation.

The physical installation should provide sufficient space for electrical connections and appropriate environmental conditions around the module.

Technical Specification Table

The 24 V DC and 40 A characteristics correspond to the QUINT BUFFER 40 A configuration described in technical documentation. The available buffer time is load dependent and should be determined from the applicable load and operating conditions. :contentReference[oaicite:3]{index=3}

Industrial Automation Applications

A buffer module can be integrated into many industrial automation power architectures. Typical connected equipment may include PLC control systems, remote I/O stations, industrial communication devices, operator interfaces and other electronic control loads operating from 24 V DC.

The principal benefit of the buffer arrangement is continuity during short supply disturbances. If the primary supply returns within the available buffer period, the connected equipment can continue operating without experiencing a complete power interruption.

This approach can be particularly useful in automated production systems where an unexpected controller restart could interrupt a process sequence or require additional recovery procedures.

Buffer Time and Load Relationship

Buffer time is directly related to the electrical load. At a lower current demand, the stored energy can support the load for a longer period. At higher current demand, the available stored energy is consumed more rapidly.

Technical information for the QUINT BUFFER family provides buffer-time characteristics as a function of load current. The 40 A model is intended for short-duration buffering rather than long-term backup operation. :contentReference[oaicite:4]{index=4}

For this reason, engineers should define the normal load current and the minimum required bridging time before selecting the appropriate buffer configuration.

Power Supply Integration

The buffer module is installed between the 24 V DC power supply and the relevant buffered load. The power supply provides the normal operating energy while the buffer module maintains its stored energy and monitors the supply condition.

During normal operation, the system behaves as a conventional 24 V DC power distribution arrangement. During a short interruption, the buffer section supplies the load using stored capacitor energy.

The exact connection arrangement depends on the power supply architecture and connected load. Wiring, terminal identification and permissible conductor sizes should be confirmed using the applicable technical documentation.

Maintenance Considerations

Although the capacitor-based storage system is described as maintenance-free, the complete installation should still be subject to normal electrical inspection. Connections should remain secure, ventilation should be adequate and the module should be operated within its specified environmental conditions.

If the buffered load loses power during a short interruption, troubleshooting should consider the complete system. The primary power supply, input voltage, load current, wiring, module status and output circuit should all be evaluated.

A fault in the upstream power supply may also appear as a buffer problem if the system does not receive the correct input voltage required for normal operation.

System Protection Concept

The buffer module is intended to improve continuity of a DC control supply, but it does not eliminate the need for appropriate circuit protection. The power supply, buffer module and connected load should each be incorporated into an electrical design with suitable protective devices and wiring.

The 40 A designation describes the module’s current class and should be considered together with conductor sizing, protective devices and the characteristics of the connected equipment.

System designers should also distinguish between short-duration buffering and long-duration uninterruptible power requirements. Applications requiring extended backup may require a different energy-storage architecture.

Identification of 3BHB031458R0001

The exact ABB article number 3BHB031458R0001 should be used when documenting this component. Industrial component catalog records identify this article as “BUFFER MODULE (QUINT-BUFFER/24DC/40A),” confirming the relationship between the ABB part number and the QUINT BUFFER product designation. :contentReference[oaicite:5]{index=5}

The designation QUINT-BUFFER/24DC/40A provides additional technical information by indicating the product family, nominal DC system and current class. Recording both identifiers makes the component easier to distinguish from other buffer modules with different voltage or current configurations.

Relationship to QUINT BUFFER Technology

The QUINT BUFFER family is designed specifically for bridging short power interruptions. Technical product literature describes the buffer modules as combining an electronic switch-over unit with capacitor-based energy storage in one housing. :contentReference[oaicite:6]{index=6}

This design differs from battery-based UPS systems, which are normally intended to provide longer energy storage. Capacitor-based buffering is suited to applications where the primary objective is to bridge brief disturbances and maintain continuous operation of sensitive DC loads.

Engineering Considerations

When incorporating ABB 3BHB031458R0001 into an industrial power system, the principal engineering parameters are the 24 V DC system voltage, maximum load current, expected interruption duration and required continuity level.

The load should be evaluated under both normal and transient operating conditions. If the current demand approaches the 40 A class, the expected buffer duration must be checked carefully against the manufacturer’s buffer-time characteristics.

The physical installation should also account for cabinet temperature, wiring, mounting and electrical separation requirements.

Application in ABB Industrial Equipment

The ABB article number 3BHB031458R0001 appears within ABB industrial equipment component records and is identified as the QUINT-BUFFER/24DC/40A buffer module. :contentReference[oaicite:7]{index=7}

The component can therefore be documented as an ABB-associated industrial power continuity module while retaining the QUINT BUFFER technical designation for identification of its electrical function.

For equipment records, the combination of ABB article number, QUINT BUFFER designation, 24 V DC system voltage and 40 A current class provides a clear technical description.

Technical Documentation

Available technical documentation for the QUINT BUFFER family establishes the core operating characteristics of the 40 A configuration: 24 V DC operation, 40 A output capability, capacitor-based energy storage and short-duration buffering. :contentReference[oaicite:8]{index=8}

Installation documentation for the corresponding 24 V DC, 40 A QUINT BUFFER configuration also provides connection information, operating thresholds and load-dependent buffer characteristics. :contentReference[oaicite:9]{index=9}

These characteristics should be used together with the specific ABB equipment documentation when the module is installed as part of an ABB drive or industrial power system.

Conclusion

ABB 3BHB031458R0001 is identified as the QUINT-BUFFER/24DC/40A buffer module. It is associated with a 24 V DC industrial power system and provides short-duration energy buffering through capacitor-based energy storage. The module is designed to bridge brief interruptions and help maintain continuity for connected DC control and automation loads.

The 40 A configuration is intended for higher-current 24 V DC applications, while the actual buffer duration depends on the connected load and operating conditions. The QUINT BUFFER architecture combines the electronic switchover function and energy-storage section in one industrial module, providing a compact solution for short-duration DC power continuity. :contentReference[oaicite:10]{index=10}

For accurate product identification, the complete ABB article number 3BHB031458R0001 should be retained together with the QUINT-BUFFER/24DC/40A designation. When integrating the module into an existing system, the 24 V DC supply characteristics, load current, required buffer duration, wiring and applicable equipment documentation should be verified to establish the correct technical configuration.