The 1494G-BC3N is a member of the Allen-Bradley® 1494G series of industrial safety disconnect switches. It is a non-fusible, three-pole, three-phase disconnect switch housed in a standard-size stainless steel enclosure (Type 4/4X). Designed for heavy industrial, heavy commercial, and hazardous environment applications, it provides a high level of safety and reliability.
Key Features
• Enclosure Type: Type 4/4X, made of 304 stainless steel, dust-tight, waterproof, and corrosion-resistant.
• Pole Count: 3-pole (3-phase).
• Fuse Type: Non-fusible.
• Visible Blade Construction: Provides intuitive on/off status indication (ON/OFF) to enhance safety.
• Handle Linkage Design: Complies with NFPA 79 standards, ensuring that the handle is always mechanically linked to the switch.
• Certifications: cULus, CSA, CE, and RoHS certified (specific certification numbers are provided in the documentation).
Electrical Ratings
Parameter Value
Rated Insulation Voltage (Ui) 600V AC / 660V IEC
Continuous Current Rating 30A (600V AC / 250V DC)
Horsepower Ratings (60 Hz) - 230V AC: 7.5 HP
- 460V AC: 15 HP
- 575V AC: 20 HP
DC Rating (250V DC) 5 HP (based on series interruption of DC circuits across two polarities)
Maximum Power for IEC Applications (AC23) - 220-240V AC: 5.5 kW
- 380-440V AC: 11 kW
- 500-600V AC: 15 kW