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Mfr Part #
Quantity Available
Price
Series
Package
Product Status
Function
Voltage - Supply
Trip Range
Delay Time
Mounting Type
Termination Style
Features
Operating Temperature
777-575-KW/HP-P2
777-575-KW/HP-P2
3-PHASE POWER MONITOR/500-600V
Littelfuse Inc.
10
In Stock
1 : $681.87000
Bulk
Bulk
ActiveMultiple500 ~ 600VAC2 ~ 800A, 450 ~ 660VAC0 ~ 999sChassis MountScrew Terminal--20°C ~ 70°C
777-LR-KW/HP-P2
777-LR-KW/HP-P2
3-PHASE POWER MONITOR/200-480V
Littelfuse Inc.
7
In Stock
1 : $681.87000
Bulk
Bulk
ActiveMultiple200 ~ 480VAC1 ~ 800A, 170 ~ 528VAC0 ~ 999sDIN RailScrew Terminal--20°C ~ 70°C
777-KW/HP-P2
777-KW/HP-P2
3-PHASE POWER MONITOR/200-480V
Littelfuse Inc.
1
In Stock
6
Factory
1 : $681.87000
Bulk
Bulk
ActiveMultiple200 ~ 480VAC200 ~ 480V AC-Chassis MountScrew Terminal--20°C ~ 70°C
777-HVR-KWHP-P2
777-HVR-KW/HP-P2
3-PH POWER MONITOR/340-480V/
Littelfuse Inc.
1
In Stock
3
Factory
1 : $755.16000
Bulk
Bulk
ActiveMultiple340 ~ 480VAC2 ~ 800A, 340 ~ 528VAC0 ~ 999sChassis MountScrew Terminal--20°C ~ 70°C
3-PHASE POWER MONITOR/ 200-480
777-MLR-KW/HP-P2
3-PHASE POWER MONITOR/ 200-480
Littelfuse Inc.
0
In Stock
2
Factory
Check Lead Time
1 : $755.11000
Bulk
Bulk
ActiveMultiple200 ~ 480VAC0.5 ~ 21A, 40 ~ 740A, 170 ~ 528VAC0 ~ 999sChassis MountScrew Terminal--20°C ~ 70°C
KWHP P2 DEMO KIT W/ RM1K
777-KWHP-P2-DEMO2
KWHP P2 DEMO KIT W/ RM1K
Littelfuse Inc.
0
In Stock
Obsolete
Bulk
ObsoleteMultiple200 ~ 480VAC200 ~ 480V AC-Chassis MountScrew TerminalDemo Kit with CIO-EN and RM-1000-20°C ~ 70°C
KWHP P2 DEMO KIT W RM1K RM2K
777-KWHP-P2-DEMO3
KWHP P2 DEMO KIT W RM1K RM2K
Littelfuse Inc.
0
In Stock
Obsolete
Bulk
ObsoleteMultiple200 ~ 480VAC200 ~ 480V AC-Chassis MountScrew TerminalDemo Kit with CIO-EN and RM-1000/2000-20°C ~ 70°C
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Protection Relays & Systems


Protection relays detect abnormal operating conditions in an industrial system and may trigger an alert or isolate the offending device from the system. Common detection functions include; Arc-flash, temperature monitoring, ground fault, over-current, over-voltage, reverse power flow, over-frequency, under-frequency and phase loss, sequence or imbalance.