Knowledge Base › Microinverters
NEP (Northern Electric Power) BDM 550
Official manufacturer GLOBAL verified Sept. 22, 2026
Unresolved safety-relevant conflict
Two sources give different figures for a value on this product and nobody has resolved it. The specifications below are shown as recorded, but this product must not be treated as verified for engineering purposes until the conflict is closed.
Two sources give different figures for a value on this product and nobody has resolved it. The specifications below are shown as recorded, but this product must not be treated as verified for engineering purposes until the conflict is closed.
Identity
| category | microinverters |
| ean | — |
| firmware | {'documented_version': 'UNKNOWN', 'constraints': 'UNKNOWN'} |
| generation | — |
| manufacturer | NEP (Northern Electric Power) |
| market_version | — |
| model | BDM 550 |
| mpn | — |
| product_family | — |
| product_status | active |
| region | GLOBAL |
| release_year | — |
| series | — |
| sku | — |
Electrical
| ac_phase_count |
[1, 3]
BDM-550 / 650 / 800 / 1000 (T) Datasheet
|
| ac_voltage_range | — |
| cec_efficiency_pct | — |
| euro_efficiency_pct | 96.5 |
| european_efficiency_pct | — |
| frequency_range_hz | — |
| grid_voltage_range_max_v |
[264, 228]
BDM-550 / 650 / 800 / 1000 (T) Datasheet
|
| grid_voltage_range_min_v |
[211, 183]
BDM-550 / 650 / 800 / 1000 (T) Datasheet
|
| max_ac_current_a |
2.3
BDM-550 / 650 / 800 / 1000 (T) Datasheet
|
| max_apparent_power_va | — |
| max_continuous_ac_output_power_w |
548
BDM-550 / 650 / 800 / 1000 (T) Datasheet
|
| max_dc_input_power_w | — |
| max_dc_voltage_v | 60 |
| max_efficiency_pct | — |
| max_input_current_per_mppt_a | 20 |
| max_short_circuit_current_per_mppt_a | 20 |
| mppt_count | 2 |
| mppt_voltage_max_v |
55
BDM-550 / 650 / 800 / 1000 (T) Datasheet
|
| mppt_voltage_range_max_v | 60.0 |
| mppt_voltage_range_min_v | 16.0 |
| mppt_voltage_range_v | 22-55 Vdc |
| nominal_ac_voltage | 240 Vac (1φ) / 208 Vac (3φ) |
| nominal_ac_voltage_v | 230.0 |
| nominal_frequency_hz |
60
BDM-550 / 650 / 800 / 1000 (T) Datasheet
|
| nominal_grid_voltage_v |
[240, 208]
BDM-550 / 650 / 800 / 1000 (T) Datasheet
|
| number_of_mppt | 2 |
| number_of_pv_inputs | — |
| peak_ac_output_power_w |
550
BDM-550 / 650 / 800 / 1000 (T) Datasheet
|
| phase_count | 1 |
| rated_ac_output_current_a |
2.3
BDM-550 / 650 / 800 / 1000 (T) Datasheet
|
| rated_ac_power_w | 548 |
| startup_voltage_v | 22.0 |
| units_per_branch | — |
Physical / mechanical
| ac_terminal | — |
| cooling | — |
| dc_connector | — |
| depth_mm | — |
| dimensions_mm | — |
| display | — |
| enclosure_material | — |
| height_mm | — |
| mounting | — |
| noise_db | — |
| weight_kg | — |
| width_mm | — |
Installation
| cable_requirements | — |
| commissioning | — |
| installation_angle | — |
| mounting_clearances | — |
| torque | — |
Environment
| ingress_protection | NEMA-6 / IP-66 / IP-67 |
| ip_rating | IP67 |
| max_altitude_m | — |
| operating_temperature_c | -40 to +85 |
| operating_temperature_max_c | 60.0 |
| operating_temperature_min_c | -25.0 |
| pollution_degree | — |
| protective_class | — |
| relative_humidity_pct | — |
| storage_temperature_c | — |
Interfaces & connectors
| app | — |
| communication | [] disputed |
| dry_contact | — |
| meter_interface | — |
| monitoring_portal | — |
| protocols | [] |
Protection
| anti_islanding | — |
| arc_fault | — |
| dc_switch | — |
| insulation_monitoring | — |
| overvoltage_category | — |
| rcmu | — |
| reverse_polarity | — |
| surge_protection_ac | — |
| surge_protection_dc | — |
Warranty & service
| conditions | — |
| extension_options | — |
| standard_years | — |
| warranty_years | 12 |
Documents
Recorded conflicts
max_short_circuit_current_per_mppt_a Review required
20 — value currently stored in ANMA
25 — https://northernep.com/wp-content/uploads/2024/12/BDM-550%20650%20800%201000%20(T)%20-Datasheet-20241206.pdf
document-revision
max_input_current_per_mppt_a Review required
20 — value currently stored in ANMA
11 — https://northernep.com/wp-content/uploads/2024/12/BDM-550%20650%20800%201000%20(T)%20-Datasheet-20241206.pdf
document-revision
interfaces.communication Review required
[] — stored value
['Power line Communications', 'WiFi'] — incoming package
Detected during import wave8-saturation-2026-09-batch03
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| Current (inrush) (Peak and Duration) | 9.4 A, 15 |
| Nominal Power Grid Voltage | 1PH 240 Vac / 3PH 208 Vac |
| Number of Phases | 1φ and 3φ |
| Packaging/mechanical | Weight 3.0 kg and 3.4 kg (two weights printed for the family); per box 6 pcs, pallet 126 pcs |
| Peak AC Output Power | 650 W (BDM-650 column only) |
| Rated Output Current | 2.3 A |
| Rated Output Current (1φ / 3φ) | 2.3 A / 2.3 A |
| Recommended Max PV Power | 420 W x 2 |
| Weighted Average Efficiency (CEC) | 96.5% |
| Whitepaper 'MPPT Tracking Accuracy' | > 99.5% |
| Whitepaper row 'Max DC Input Current' | 20A x 2 (both BDM-550 and BDM-650) |
| Whitepaper row 'Recommended Max PV Power' | BDM-550: 420W x 2; BDM-650: 480W x 2 |
| category index card title | BDM 550 |
| withheld:dc.max_input_current_per_mppt_a | 11 |
| withheld:dc.max_short_circuit_current_per_mppt_a | 25 |
| withheld:topology.max_units_per_ac_branch_detail | "'Maximum Units Per Branch: 1-phase 6 units / 3-phase 6 units' - printed once and applying to all four models in the BDM-550/650/800/1000 datasheet." |
| withheld:topology.mppt_independence_detail | "The BDM-550/BDM-650 whitepaper prints a feature row 'Dual MPPT Inputs Yes Yes' for both models, and the datasheet's DC rows are all 'x 2'. Two inputs, two trackers, one input per tracker." |