Description
Littelfuse® Earth Leakage Relay, Series: EL731, 24 VAC, 48 VDC, 4 to 20 mA Analog Output, Specifications: NO-NC (3 Form C) Programmable Output Contact, 24 to 12 AWG Plug-In, Wire Clamping Terminal, DIN Rail/Panel Mounting, 1.9 in H x 3.8 in W x 5 in D Dimensions
Features:
- Adjustable pickup (30 to 5000 mA)- adjustable trip setting provides a wide range of low level protection and system coordination
- Frequency range (0 to 90 Hz, 20 to 6000 Hz) - operate in either AC or DC mode or both, use single or combined ranges, separate metering
- 32-char OLED display earth leakage metering, setup and programming
- Local LED indication visual trip, alarm, CT connection indication
- CT-loop monitoring - alarms when CT is not connected
- Analog output (4 to 20 mA)- connect to DCS, allows connection to an optional meter (PGA-0520) or control system
- Adjustable trip delay for quick protection and system coordination
- Alarm and trip settings detect a deteriorating condition before damage occurs
- Temperature-sensor input drive or motor temperature protection
- Output contacts 3 programmable, operate 2 alarm and 1 trip circuit
- Eliminates nuisance tripping due to harmonic noise
- Microprocessor based- no required calibration saves maintenance cost
- Universal power supply provides flexibility for numerous applications
- DeviceNet™ communications
Applications:
For used to add low level ground fault protection to variable speed drives and to DC currents
Standards/Approval:
- UL File No. E340889
- cCSAus File No. LR53428
- RCM Certified
- CE Certified
- C-Tick Certified
- FCC CFR47 Part 15 Subpart B
Warranty:
5 Years
