الوصف
The A070GRB06T13 fuse is a 6A, 700VAC semiconductor protection fuse manufactured under the Ferraz Shawmut brand, which is now associated with Mersen. This extremely fast-acting fuse is designed to provide reliable protection for sensitive power semiconductor devices installed in SCR generator panels, industrial inverters, rectifiers, uninterruptible power supply systems and motor drives.
The fuse has an internationally recognized 10×38 mm cylindrical body with ferrule-style connections. Its compact construction allows it to be installed in compatible fuse holders and midget fuse blocks where limited panel space is available. The gR operating class provides full-range semiconductor protection and helps limit damaging electrical energy during overload and short-circuit conditions.
A070GRB06T13 Fuse for 600V SCR Generator Panels
The A070GRB06T13 fuse is suitable for compatible 600V SCR generator panel applications that require a 6A semiconductor protection fuse. Although the operating voltage of the intended panel may be 600V, the rated voltage of the fuse itself is 700VAC. This higher fuse voltage rating allows the product to be used in appropriate electrical systems operating at 700VAC or below, subject to engineering verification.
SCRs, thyristors, rectifier diodes and other power electronic devices can be damaged within a very short period when exposed to excessive current. A conventional general-purpose fuse may not interrupt a fault quickly enough to protect these sensitive components. The extremely fast response and low I²t characteristics of this model help reduce the amount of fault energy transferred to the semiconductor device.
Correct fuse selection can help protect important generator control equipment, reduce the risk of secondary component damage and maintain the intended protection coordination of the original SCR panel.
Fast Semiconductor Protection
The A070GRB06T13 fuse belongs to the Ferraz Shawmut A070gRB range of semiconductor protection fuses. This range was developed for power electronic equipment requiring rapid fault interruption, current limitation and low energy let-through.
The gR fuse class provides full-range protection for semiconductor circuits. Its operating characteristics are designed to protect sensitive devices against both excessive current and short-circuit faults when the fuse is correctly coordinated with the protected equipment.
During a fault, the fuse element responds rapidly and interrupts the current before excessive thermal and electrical energy reaches the SCR, diode or thyristor. This performance makes the fuse more appropriate for semiconductor protection than many standard industrial fuses with a similar physical size or current rating.
Key Features of the A070GRB06T13 Fuse
- 6A rated current
- 700VAC rated voltage
- 550VDC series voltage rating
- Suitable for compatible 600V SCR generator panel applications
- Extremely fast-acting operating characteristic
- gR semiconductor fuse class
- Full-range semiconductor protection
- Low I²t energy let-through
- Current-limiting performance
- 160kA AC interrupting capacity
- 10kA DC interrupting capacity
- Compact 10×38 mm cylindrical body
- Ferrule-style connection
- Excellent cycling capability
- Designed for sensitive power semiconductor devices
Typical Industrial Applications
The A070GRB06T13 fuse may be used in various industrial power-conversion and control systems where extremely fast semiconductor protection is required. Typical applications include:
- SCR generator panels
- Generator control systems
- SCR and thyristor circuits
- Industrial rectifier systems
- Power semiconductor circuits
- Industrial inverters
- Uninterruptible power supply systems
- Variable-frequency drives
- AC and DC motor drives
- Power-conversion equipment
- Industrial automation panels
- Diode and rectifier protection circuits
- Electrical control cabinets
Technical Specifications
- Brand: Ferraz Shawmut
- Current Manufacturer: Mersen
- Series: A070gRB
- Model Number: A070GRB06T13
- Manufacturer Reference: E330008
- Product Type: Semiconductor Protection Fuse
- Fuse Class: gR
- Operating Characteristic: Extremely Fast Acting
- Rated Current: 6A
- Rated AC Voltage: 700VAC
- Series DC Voltage Rating: 550VDC
- Panel Application Voltage: 600V
- AC Interrupting Capacity: 160kA
- DC Interrupting Capacity: 10kA
- DC Time Constant: L/R 10ms
- Melting I²t: 15 A²s
- Clearing I²t at Rated Voltage: 48.5 A²s
- Power Loss at 80% Rated Current: 1.5W
- Power Loss at 100% Rated Current: 2.9W
- Body Size: 10×38 mm
- Connection Type: Cylindrical Ferrule
- Primary Function: SCR and Semiconductor Circuit Protection
Why Use a gR Semiconductor Fuse?
Power semiconductor devices have limited tolerance to fault energy. During an overcurrent or short-circuit event, an SCR or diode may suffer permanent damage before an ordinary fuse has enough time to disconnect the circuit. For this reason, semiconductor equipment requires a fuse with a rapid operating response and carefully controlled I²t performance.
The A070GRB06T13 fuse is designed to limit fault current and reduce the energy passing through the protected circuit. Its gR classification means that it offers full-range semiconductor protection when correctly selected and installed.
The compact 10×38 mm design also provides installation flexibility in generator panels and electrical control cabinets. However, the fuse holder, current rating, operating voltage, available fault current, ambient temperature and semiconductor coordination requirements must be checked before installation.
Replacement and Compatibility Information
When replacing an existing fuse, users should confirm the complete catalog number rather than selecting a replacement based only on the 6A current rating or the physical dimensions. Fuses with a similar appearance may have different voltage ratings, operating curves, interrupting capacities and energy let-through characteristics.
Before ordering the A070GRB06T13 fuse, verify the following:
- Original manufacturer and catalog number
- Manufacturer reference number E330008
- Required 6A current rating
- System and panel operating voltage
- Fuse-holder dimensions and compatibility
- Available short-circuit current
- Required semiconductor coordination
- Panel temperature and operating conditions
A replacement fuse should match the electrical and mechanical specifications required by the original SCR generator panel. Installation and replacement must be performed by qualified electrical personnel in accordance with the equipment documentation and applicable safety procedures.
Ordering the A070GRB06T13 Fuse
For quotation and product verification, provide the complete model number A070GRB06T13, manufacturer reference E330008, required quantity and information about the SCR generator panel. A clear photograph of the existing fuse label and compatible fuse holder can also help confirm the required product.
Oil Well Direct supplies industrial electrical components and replacement parts for drilling rigs, SCR systems, generator control panels, power-conversion equipment and related industrial applications. Availability and compatibility should be confirmed before final order placement.
View the Ferraz Shawmut semiconductor fuse catalogue for the technical specifications of the A070GRB06T13 fuse, including its 6A rating, 700VAC voltage rating and E330008 reference number. Ferraz Semiconductor Fuse Catalogue – A070GRB06T13
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