Altech – Introducing the most complete Lineup of UL Ground Fault Equipment Protection

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UL 489
Branch Circuit Breaker with Ground Fault Relay

• 1+N and 2+N Poles
• 240V AC and 120/240V AC
• Rated Current 5 – 40A
• Residual Current Sensitivity 10, 30, 100 and 300mA
• Rated Short Circuit Interrupt Capacity 10kA
• Rated Frequency 50/60Hz
• Overload Tripping B, C and D

UL 1053
Ground Fault Sensing and Relaying Device

• 2 and 4 Poles
• 277V AC and 480Y/277V AC
• Rated Current 25, 40 and 63A
• Residual Current Sensitivity 10, 30, 100 and 300mA
• Rated Short Circuit Withstand Capacity 10kA
• Rated Frequency 50/60Hz

UL 1077
Ground Fault Relay with Overload Protection

• 2 and 4 Poles
• 277V AC and 480Y/277V AC
• Rated Current 5 – 40A
• Residual Current Sensitivity 10, 30, 100 and 300mA
• Rated Short Circuit Withstand Capacity 10kA
• Rated Frequency 50/60Hz
• Overload Tripping B, C and D

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