
BDM DualMicroinvertersUL 1741-SA/SBRule 21IEEE 1547
BDM-550
Entry-level 550W dual-panel microinverter with 95.5% CEC efficiency, supporting up to 7 units per 20A branch circuit for flexible residential system design.
Key Specifications
CEC Efficiency95.5%
Dimensions8.8×8.2×1.38 in
MPPT Channels2
MPPT Range22–55 Vdc
Max DC Voltage60 Vdc
Max PV Input420W × 2
Max Units/Branch (20A)7 (1φ) / 6 (3φ)
Peak AC Output550 W
ProtectionNEMA-6 / IP-66 / IP-67
Weight6.4 lbs
Markets:USCAAUBR
Features
Key Features
Up to 7 units per 20A branch for flexible system sizing
95.5% CEC efficiency with dual independent MPPT
NEC 2020 compliant: DC arc-fault, rapid shutdown, AC arc-fault
NEMA-6 / IP-66 / IP-67 for harsh outdoor environments
Integrated GFDI and grounding for simplified installation
Natural convection cooling with no moving parts
Applications
Use Cases
01
Budget-conscious residential solar installations02
Small rooftop systems with standard panels (350–420W)03
Starter solar systems with future expansion capability04
Installations requiring maximum units per branch circuit05
NEC 2020 compliant projects with arc-fault and rapid shutdownCompliance
Compliance Readiness
UL 1741-SA/SB
Rule 21
IEEE 1547
NEC 2020
IEC 62109
Compliance status may vary. Contact us for the latest certification status and available evidence packs.
Related
Related Products

BDM-800
800W dual-panel microinverter with 95.5% CEC efficiency, integrated monitoring via powerline communication, and NEMA-6/IP67 outdoor-rated enclosure for reliable rooftop performance.

BDM-650
650W dual-panel microinverter with 96.5% CEC efficiency, compact 8.8×8.2×1.38-inch form factor, and integrated powerline monitoring for cost-effective residential installations.