4 Pole Fuse holder RT18 Series AC and DC Din Rail Fuse Holder
Key attributes
| Brand | Switchgear parts |
| Model NO. | 4 Pole Fuse holder RT18 Series AC and DC Din Rail Fuse Holder |
| number of poles | 4p |
| Series | RT18 |
Product descriptions from the supplier
Din Rail Fuse Holder can be applied in both AC and DC area.It is suitable for AC 50HZ/60HZ, rated insulation voltage up to 800V, Din Rail fuse holder can withstand the conventional thermal current and the expected short-circuit impulse current to 100kA. Din Rail fuse holder comply with the national standard GB/T13539.2 and the International Electrotechnical Commission standard IEC60269-2.
| Product Item | RT18 |
| Rated Current | 32A, 63A, 125A |
| Rated voltage | 400V/690V |
| Breaking Capacity（kA） | 100kA(500VAC)/50kA(690VAC) |
| Utilization Category | AC-22B |
| Standard | IEC 60269-2 GB/T 13539.2 |
| Applications | Power control system
industry electrical equipment |
Online store
On-time delivery rate
Response time
100.0%
≤4h
Company overview
Workplace: 1000m²
Total staff:
Highest Annual Export(usD): 300000000
Services
Business Type: Sales
Main Categories: Low Voltage Electrical Apparatus/Instrument meters/Production equipment/Electrical fittings/Equipment Parts
Whole life care manager
Whole-life care management services for equipment procurement, use, maintenance, and after-sales, ensuring safe operation of electrical equipment, continuous control, and worry-free electricity consumption.
The equipment supplier has passed platform qualification certification and technical evaluation,
ensuring compliance, professionalism, and reliability from the source.
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Related Knowledges
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PT Fuse Slow Blow: Causes, Detection & PreventionI. Fuse Structure and Root Cause AnalysisSlow Fuse Blowing:From the design principle of fuses, when a large fault current passes through the fuse element, due to the metal effect (certain refractory metals become fusible under specific alloy conditions), the fuse first melts at the soldered tin ball. The arc then rapidly vaporizes the entire fuse element. The resulting arc is quickly extinguished by quartz sand.However, due to harsh operating environments, the fuse element may age under the combEdwiin10/24/2025 -
Why Fuses Blow: Overload, Short Circuit & Surge CausesCommon Causes of Fuse BlowingCommon reasons for fuse blowing include voltage fluctuations, short circuits, lightning strikes during storms, and current overloads. These conditions can easily cause the fuse element to melt.A fuse is an electrical device that interrupts the circuit by melting its fusible element due to heat generated when current exceeds a specified value. It operates on the principle that, after an overcurrent persists for a certain period, the heat produced by the current meltsEcho10/24/2025 -
Fuse Maintenance & Replacement: Safety and Best Practices1. Fuse MaintenanceFuses in service should be regularly inspected. The inspection includes the following items: Load current should be compatible with the rated current of the fuse element. For fuses equipped with a fuse blown indicator, check whether the indicator has actuated. Check the conductors, connection points, and the fuse itself for overheating; ensure connections are tight and making good contact. Inspect the fuse exterior for cracks, contamination, or signs of arcing/discharge. ListeJames10/24/2025 -
Maintenance and Repair Items for 10kV High-Voltage SwitchgearI. Routine Maintenance and Inspection(1) Visual Inspection of Switchgear Enclosure No deformation or physical damage to the enclosure. Protective paint coating shows no severe rust, peeling, or flaking. Cabinet is securely installed, clean on the surface, and free of foreign objects. Nameplates and identification labels are neatly affixed and not falling off.(2) Check of Switchgear Operating Parameters Instruments and meters indicate normal values (comparable to typical operating data, with no sEdwiin10/24/2025 -
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