Specification Parameters for 1494G-DF3N
Parameter Category Specification Details
Product Model 1494G-DF3N
Product Description Industrial safety disconnect switch, non-fusible type, with a standard-sized enclosure
Rated Current 100 A (600V AC / 250V DC)
Number of Poles 3-pole, 3-phase
Horsepower Ratings (UL/CSA) - 230V/60Hz: 30 HP
- 460V/60Hz: 60 HP
- 575V/60Hz: 75 HP
- 250V DC: 20 HP
Maximum Power for IEC Applications (AC-23) - 220–240V/50Hz: 22 kW
- 380–440V/50Hz: 45 kW
- 500–600V/50Hz: 55 kW
Enclosure Type Type 3R/4/12, painted metal enclosure with screw fasteners and a non-metallic handle
Rated Insulation Voltage (600) 660 V
Certification Standards Compliant with UL, CSA, and NEMA standards
Mechanical Life 20,000 operations (typical)
Switching Frequency 300 cycles/hour (maximum)
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 (6562 feet), in accordance with IEC 947-5
Relative Humidity 90% (at 20°C / 68°F), 50% (at 40°C / 104°F), in accordance with IEC 947-3
Dielectric Strength 2200 V for 1 minute
Short-Circuit Withstand Capability - Without fusing or with Class H fuses: 10,000 A
- With Class J or R fuses: 200,000 A
Switch Body Material Glass-filled thermoplastic
Contact Material Tin-plated copper
Mounting Bus Thread Size #12–24 UNC