Ferraz Shawmut A50QS250-4 - Low Voltage Fuse 250A (200kA AIC @500V)

Ferraz Shawmut A50QS250-4 is a low-voltage current-limiting fuse designed for industrial circuit protection with high interrupting capacity. This 500VAC/250A bolt-in blade fuse features a rugged 1.5-inch diameter ceramic body with 4.34-inch length construction, meeting CE, UL (JFHR2), and CSA (LR12636) safety standards for electrical distribution systems. Its 200kA interrupting rating at 500V makes it suitable for protecting motor control centers, switchgear, and industrial power distribution equipment against short circuits and overloads.

Key Features & Specifications

• Type: Current-limiting low-voltage fuse with ceramic barrel and bolt-in blade connection
• Voltage Rating: 500V AC
• Current Rating: 250A
• Dimensions: 1.5" diameter x 4.34" length
• Weight: 1 lb
• Standards: CE, UL Recognized (Guide JFHR2, File 60314), CSA Certified (LR12636)
• Applications: Motor control centers, industrial switchgear, power distribution
• AIC rating: 200kA @ 500V
• Connection: Bolt-In Blade
• Barrels: 1
• Country of Origin: Mexico

Product Identification

• UPC: 78200194778
• GTIN: 00782001947781