Littelfuse 777-HVR-SP Pump Monitor Overload Relay 340-480V Single-Phase 2-800FLA

Name: Littelfuse 777-HVR-SP Pump Monitor Overload Relay 340-480V Single-Phase 2-800FLA
Brand: Littelfuse/Symcom
SKU: MSR777HVRSP
Price: 985.35 USD
Availability: InStock

Littelfuse 777-HVR-SP Pump Monitor Overload Relay 340-480V Single-Phase 2-800FLA

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SKU : MSR777HVRSP

In Stock Quantity:-1

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Description

Littelfuse your electronic and control & protection specialists

Littelfuse 777-HVR-SP Pump Monitor Product Description

The 777/ 77C is a fully programmable electronic overload relay designed to protect any motor drawing 2-800 full load amps (external CTs are required above 90 amps). Common applications include conveyor systems, HVAC equipment, saws and grinders, fan motors, and almost any pumping application.

Littelfuse 777-HVR-SP Pump Monitor Typical Application

Conveyor Systems
HVAC Equipment
Saws and Grinders
Fan Motors
All Pumping Applications With Single-Phase Electric Motors

Littelfuse 777-HVR-SP Pump Monitor Technical Details

Protects Single-Phase Motors From:

High Voltage
Low Voltage
Reverse-Phase
Overcurrent
Undercurrent

Network Programmable
Automatic Reset With Three Separate Restart Delay Timers, or Manual Reset
Tamper Guard
RS-485 Communications Port (Communications Module Sold Separately)
3-digit LED Diagnostic Display
Remote Reset
Last Fault Memory
UL and cUL Listed
CE Compliant
CSA Approved
Surface or DIN Rail Mount
5-year Warranty
Made in USA

Specifications

Littelfuse 777-HVR-SP Pump Monitor Specifications

Line Voltage . . . . . . . . . . . . . . . . . . . . . 340-480VAC

Frequency . . . . . . . . . . . . . . . . . . . . 50/60Hz

TC-Overcurrent Trip Class (77C, 777 non-Plus Series units). . . . . . . 5, 10, 15, 20, 30 (J prefix enables jam protection feature)

Output Contact Rating

SPDT-Form C . . . . . . . . . . . . . . . .470VA @ 600VAC, B600 Pilot Duty
. . . . . . . . . . . . . . . . . . . . 10A @ 240VAC General Purpose

Ambient Temperature Rating

Operating. . . . . . . . . . . . . . . . . -20° to 70°C (-4° to 158°F)
Storage. . . . . . . -40° to 80°C (-40° to 176°F)

Accuracy

Voltage. . . . . . . . . . . . . . . . . . . . . . . . ±1%
Current . . . . . . . . . . . . . . . . . ±3%(<100 amps direct)
GF Current. . . . . . . . . . . ±15%
Timing . . . . . . . . . . . . . . . . . ±0.5 second

Repeatability

Voltage. . . . . . . . . . . . . . . . . . . . . . . . ±0.5% of nominal voltage
Current . . . . . . . . . . . . . . . . . . . . . . ±1% (<100 amps direct)

Maximum Input Power . . . . . . . . . . . . . 10 W

Class of Protection . . . . . . . . . . . . . IP20

Relative Humidity . . . . . . . . . . . . . 10-95%, non-condensing per IEC 68-2-3

Terminal Torque . . . . . . . . . . . .7 in.-lbs.

Electorstatic Discharge (ESD) . . . . . . . . . IEC 61000-4-2, Level 3, 6kV contact, 8kV air

Radio Frequency Immunity (RFI), Conducted . . . . . . . . .IEC 61000-4-6, Level 3 10V/m

Radio Frequency Immunity (RFI), Radiated . . . . . . . . .IEC 61000-4-3, Level 3 10V/m

Fast Transient Burst . . . . . . . . .IEC 61000-4-4, Level 3, 3.5kV input power

Short Circuit . . . . . . . . .100kA

Surge

IEC . . . . . . . . . 61000-4-5, Level 3, 2kV line-to-line; Level 4, 4kV line-to-ground
ANSI/IEEE. . . . . . .C62.41 Surge and Ring Wave Compliance to a level of 6kV line-to-line
Hi-Potential Test . . . . . . . . . . . . . . . . .Meets UL508 (2 x rated V +1000V for 1 minute)
Vibration . . . . . . . . . . . .IEC 68-2-6, 10-55Hz, 1mm peak-to-peak, 2 hours, 3 axis
Shock . . . . . . . . . IEC 68-2-27, 30g, 3 axis, 11ms duration, half-sine pulse

Safety Marks