Product Series:
• Bulletin 1494G Heavy-Duty Industrial Safety Disconnect Switch
Key Specifications:
Parameter Item Parameter Value
Continuous Current Rating 400A (600V AC / 250V DC)
Number of Poles 3-pole, 3-phase
Fuse Type Non-fusible
Enclosure Type Type 3R, 4, 12 (Painted Metal Enclosure)
Rated Insulation Voltage (Ui) (600) 660V
Horsepower (HP) Ratings - 60Hz
- 230V 125 HP
- 460V 250 HP
- 575V 350 HP
Ratings - IEC Applications
- Maximum kW (AC-23)
- 220V/50Hz 90 kW
- 440V/50Hz 185 kW
- 550V/50Hz 257 kW
Mechanical Life Typical 10,000 operations
Operating Frequency Maximum 240 cycles/hour
Ambient Temperature
- Operating -35°C to +40°C (-31°F to +104°F)
- Storage -40°C to +65°C (-40°F to +149°F)
Altitude 2000 meters (as per IEC 947-5)
Relative Humidity 90% (at 20°C), 50% (at 40°C) (as per IEC 947-3)
Dielectric Strength 2200V, 1 minute
Short-Circuit Withstand Capacity 10,000 A (without fusing or with Class H fuses)
Construction
- Switch Body Material Glass-fiber-filled thermosetting plastic
- Contact Material Tin-plated copper
- Mounting Busbar Thread Size 3/8-24 UNF (200A-400A)
Certifications & Standards cULus Listed (File No. E227497); RoHS
Compliance Standards CSA C22.2 No.4, UL98, UL508