Enphase Networ Protection Relay Data Sheet
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© 2020 Enphase Energy. All rights reserved. Enphase, the Enphase logo, IQ Envoy, Mobile Connect, and other trademarks or service names are the
trademarks of Enphase Energy, Inc. Data subject to change. 2020-03-26
MODEL NUMBER
Three-Phase Network Protection Relay
(NPR-3P-208-NA)
Three-Phase Network Protection Relay with Enphase IQ Envoy™ gateway and Enphase Mobile
Connect modem and contactor for three-phase network monitoring
ENPHASE ACCESSORIES and REPLACEMENT PARTS
Enphase Mobile Connect™
CELLMODEM-M1 (4G based LTE-M)
Plug and play industrial grade cellular modem with data plan options
1
(available in the US,
Canada, Mexico, Puerto Rico, and the US Virgin Islands, where there is adequate cellular
service in the installation area)
Enphase IQ Envoy™
ENV-IQ-AM3-3P
Three-phase communications gateway with integrated PV production metering (+/- 0.5%)
and optional consumption monitoring (+/- 2.5%). Includes three 200A continuous rated
production CTs.
Consumption Monitoring* CT
CT-200-SPLIT (not included - three needed)
Split core current transformers enable consumption metering (+/- 2.5%)
COMPONENTS
Relay, SEL-547 Distributed generator interconnection relay with essential network protection and control
elements for three-phase commercial solar PV systems
Contactor, AF190 or AF205 Minimum: AC-1, 200 A, 3P, NO MAIN + 1 NO and 1 NC AUX, 24-60 VAC/DC coil
Distribution Block, L1, L2, L3 3-P, (2) 250 kcmil – 1/0 AWG
Distribution Block, Neutral 1-P, (2) 250 kcmil – 1/0 AWG
Ground Lug, Grid and Array (1) 250 kcmil - #6 AWG
Interconnections Pre-wired internal interconnections
ELECTRICAL SPECIFICATIONS
Rating Continuous operation at 100% of rating
Rated voltage Three-phase 208/120 VAC, 60 Hz
Rated current 200 A
Rated breaker size 250 A maximum
PV array conductors L1, L2, L3, N, 250 kcmil — 1/0 AWG and G, 250 kcmil - #6 AWG
Grid conductors L1, L2, L3, N, 250 kcmil — 1/0 AWG and G, 250 kcmil - #6 AWG
MECH A N ICA L DATA
Enclosure dimensions 610 mm x 762 mm x 254 mm (24” x 30” x 10”)
Weight 34.5 kg (76 lbs)
Ambient temperature range -25º C to +50º C (-13º to 122º F)
Enclosure environmental rating Outdoor, NEMA type 3R
INTERNET CONNECTION OPTIONS
Integrated Wi-Fi 802.11b/g/n
Cellular (standard) CELLMODEM-M1 (4G based LTE-M) with data plan options
1
Ethernet Optional, 802.3, Cat5E (or Cat 6) UTP Ethernet cable (not included)
COMPLIANCE
Loss of phase IEEE 1547:2018; CA Rule 21, HI Rule 14h, LVRT up to 2 seconds
Safety UL 1741
1. Contact Enphase for data plan options.
Enphase Three-Phase Network Protection Relay


