Cutler Hammer A50QS400-4 - Class L Fuse 400A (200kA AIC @ 500V)

The Cutler Hammer A50QS400-4 is a Class L low-voltage fuse designed to provide reliable overcurrent and short-circuit protection in industrial power distribution systems. It features a 400A current rating and a 500V voltage rating, capable of interrupting faults up to 200kA. The fuse is constructed with a single-barrel design, a 1.5-inch diameter, and a bolt-in blade connection for secure installation. It complies with major industry standards including UL Recognition (Guide JFHR2, File 60314) and CSA certification (LR12636), and is also CE marked. This fuse is typically applied in service entrance equipment, motor control centers, and industrial panelboards where high interrupting capacity is required.

Key Features & Specifications

• Type: Class L, Low Voltage Fuse, Single Barrel, Bolt-In Blade Connection
• Voltage Rating: 500V AC
• Current Rating: 400A
• Dimensions: 4.34 in Length, 1.5 in Diameter
• Standards: CE, UL Recognized (Guide JFHR2, File 60314), CSA Certified (LR12636)
• Applications: Industrial Power Distribution, Service Entrance Equipment, Motor Control Centers, Panelboards
• AIC rating: 200kA @ 500V
• Connection: Bolt-In Blade
• Barrels: 1
• Certification: CE, UL Recognized, Guide JFHR2, File 60314, CSA Certified LR12636
• Item Subcategory: Low Voltage Fuse
• Country of Origin: Mexico
• Weight: 2 lb

Product Identification

• UPC: 78200194791
• GTIN: 00782001947910