Boltswitch ER426ST - Fusible Disconnect Switch 600A@240V (200kA AIC)

Boltswitch ER426ST is a fusible bolted pressure switch designed for high-current industrial power distribution systems. It features a 240V voltage rating and 600A current capacity, housed in a rugged NEMA 1 enclosure weighing 250 lb for durable operation in demanding environments. The switch complies with industry standards for fusible disconnects and offers a 200kA interrupting capacity at 240V for reliable circuit protection. Its 4-pole, 3-phase single configuration with R-class fusing makes it ideal for heavy machinery, data centers, and industrial power panels requiring robust overcurrent protection.

Key Features & Specifications

• Type: Fusible bolted pressure switch (ER Series) with R-class fuse compatibility
• Voltage Rating: 240V AC
• Current Rating: 600A
• Configuration: Single, 4-pole
• Phase: 3
• AIC Rating: 200kA@240V
• NEMA Rating: 1
• Compatible Frames: THED
• Weight: 250 lb
• Standards: Industrial-grade fusible disconnect compliance
• Applications: Heavy machinery, power distribution panels, data centers

Product Identification

• GTIN: 00783164008630