Siemens GF321NR is a fusible safety switch designed for providing a visible disconnect and overcurrent protection in three-phase industrial power circuits. It is rated for 240V AC operation with a 30A current rating and features a 100kA interrupting capacity at 240V for robust short-circuit protection. The switch is constructed within a NEMA 3R-rated enclosure measuring 4.724 x 7.874 x 7.874 inches and weighing 4.806 lb, designed for reliable operation in an ambient temperature range of -25°C to 70°C. This UL-listed device complies with industry safety standards and is compatible with MEP panel frames. Typical applications include motor control centers, industrial machinery, and electrical distribution panels where a fused disconnect is required.
Key Features & Specifications
Type: Fusible safety disconnect switch, GF type, VBII Series
Voltage Rating: 240V AC
Current Rating: 30A
Configuration: Single, 3-pole
Dimensions: 4.724 x 7.874 x 7.874 inch (120 x 200 x 200 mm)
Weight: 4.806 lb (2.18 kg)
Standards: UL listed, NEMA 3R enclosure rating
Applications: Industrial power disconnection and overcurrent protection in motor control centers and distribution panels