LONGi LR5-54HTH-440M
Official manufacturer GLOBAL verified Sept. 3, 2026
Identity
| category | pv_modules |
| generation | Hi-MO X6 Explorer |
| manufacturer | LONGi |
| market_version | DC1500V (IEC/UL) |
| model | LR5-54HTH-440M |
| mpn | UNKNOWN |
| product_family | LR5-54HTH 420~440M (Hi-MO X6 Explorer, 30/30 and 15 Frame) |
| product_status | active |
| region | GLOBAL |
| release_year | 2023 |
| series | Hi-MO X6 |
| sku | UNKNOWN |
| variant | UNKNOWN |
Electrical
| application_class | UNKNOWN |
| bifacial | UNKNOWN |
| bifaciality_factor_pct | UNKNOWN |
| cell_technology | HPBC (hybrid passivated back contact) monocrystalline, 108 cells (6x18), single glass (Hi-MO X6 platform). The datasheet itself prints no cell-type row; LONGi's Hi-MO X6 product pages describe the line as HPBC. |
| extra | {'power_bins_w': [420, 425, 430, 435, 440], 'power_bin_table': [{'pmax_w': 420, 'model': 'LR5-54HTH-420M', 'voc_v': 38.73, 'vmp_v': 32.44, 'isc_a': 14.0, 'imp_a': 12.95, 'efficiency_pct': 21.5}, {'pmax_w': 425, 'model': 'LR5-54HTH-425M', 'voc_v': 38.93, 'vmp_v': 32.64, 'isc_a': 14.07, 'imp_a': 13.03, 'efficiency_pct': 21.8}, {'pmax_w': 430, 'model': 'LR5-54HTH-430M', 'voc_v': 39.13, 'vmp_v': 32.84, 'isc_a': 14.15, 'imp_a': 13.1, 'efficiency_pct': 22.0}, {'pmax_w': 435, 'model': 'LR5-54HTH-435M', 'voc_v': 39.33, 'vmp_v': 33.04, 'isc_a': 14.22, 'imp_a': 13.17, 'efficiency_pct': 22.3}, {'pmax_w': 440, 'model': 'LR5-54HTH-440M', 'voc_v': 39.53, 'vmp_v': 33.24, 'isc_a': 14.3, 'imp_a': 13.24, 'efficiency_pct': 22.5}], 'noct_bin_table': [{'pmax_w': 314, 'model': 'LR5-54HTH-420M', 'voc_v': 36.36, 'vmp_v': 29.6, 'isc_a': 11.31, 'imp_a': 10.6}, {'pmax_w': 318, 'model': 'LR5-54HTH-425M', 'voc_v': 36.55, 'vmp_v': 29.78, 'isc_a': 11.36, 'imp_a': 10.67}, {'pmax_w': 321, 'model': 'LR5-54HTH-430M', 'voc_v': 36.74, 'vmp_v': 29.97, 'isc_a': 11.43, 'imp_a': 10.72}, {'pmax_w': 325, 'model': 'LR5-54HTH-435M', 'voc_v': 36.93, 'vmp_v': 30.15, 'isc_a': 11.49, 'imp_a': 10.78}, {'pmax_w': 329, 'model': 'LR5-54HTH-440M', 'voc_v': 37.11, 'vmp_v': 30.33, 'isc_a': 11.55, 'imp_a': 10.85}], 'cell_count': '108 (6x18)', 'cell_layout': '108 (6x18)', 'fire_type': 'IEC Class C', 'bifacial_gain_note': 'No bifaciality statement or rear-gain table is printed on this datasheet.'} |
| imp_a | 13.24 |
| isc_a | 14.3 |
| max_reverse_current_a | UNKNOWN |
| max_series_fuse_rating_a | 25 |
| max_system_voltage_label | DC1500V (IEC/UL) |
| max_system_voltage_v | 1500 |
| module_efficiency_pct | 22.5 |
| nmot | {'pmax_w': 329, 'voc_v': 37.11, 'vmp_v': 30.33, 'isc_a': 11.55, 'imp_a': 10.85, 'conditions': 'NOCT: AM1.5, 800W/m2, 20 degC ambient, 1 m/s', 'note': 'Top bin only.'} |
| nmot_c | 45 |
| pmax_w | 440 |
| power_tolerance | 0 ~ 3% |
| protection_class | Class II |
| rated_power_w | 440 |
| stc_conditions | AM1.5, 1000W/m2, 25 degC |
| temp_coeff_isc | 0.05 %/degC |
| temp_coeff_pmax | -0.29 %/degC |
| temp_coeff_voc | -0.23 %/degC |
| vmp_v | 33.24 |
| voc_v | 39.53 |
Physical / mechanical
| backsheet | UNKNOWN |
| bypass_diodes | UNKNOWN |
| cable_cross_section_mm2 | 4.0 |
| cable_length_mm | 4mm2 output cable; +/-1200mm length can be customized |
| connector_type | UNKNOWN - no connector brand or type is printed on this datasheet; Installation Manual V17 only states 'Only connectors as the compatible model from same vendor can be mated together' |
| depth_mm | 30 |
| dimensions_mm | 1722x1134x30 |
| frame | Anodized aluminum alloy frame |
| frame_colour | UNKNOWN |
| glass | Single glass, 3.2mm coated tempered glass |
| glass_construction | single glass |
| glass_thickness_mm | 3.2 |
| junction_box | IP68 |
| length_mm | 1722 |
| weight_kg | 20.8 |
| width_mm | 1134 |
Installation
| clamp_requirements | Clamp length >= 50mm (recommended >= 60mm); frame overlap 10-12mm; M8 bolt torque 14-18 N.m |
| grounding | Bolt grounding: 'Align grounding clamp to the frame grounding hole. Use grounding bolt to go through the grounding clamp and frame'; grounding holes are 4.2mm diameter at the edge of the module's back-side frame |
| max_installation_altitude_m | UNKNOWN - not specified in Installation Manual V17 |
| mounting_methods | Clamp mounting per LONGi PV Module Installation Manual V17: 'the length of the clamp be at least 50mm, the clamp must maintain an overlap of 10-12 mm with the frame'; recommended 'clamp length >= 60mm, the overlap of clamp and frame >=10mm' |
Environment
| ammonia | UNKNOWN |
| fire_rating | IEC Class C |
| hail | 25mm Hailstone at the speed of 23m/s |
| max_static_load_front_pa | 5400 |
| max_static_load_rear_pa | 2400 |
| operating_temperature_c | -40 to +85 |
| pid | UNKNOWN |
| salt_mist | UNKNOWN |
| snow_load | UNKNOWN |
| wind_load | UNKNOWN |
Certifications
| standards | ['IEC 61215', 'IEC 61730', 'UL 61730', 'ISO 9001:2015', 'ISO 14001:2015', 'ISO 45001:2018', 'IEC 62941'] |
Warranty & service
| annual_degradation_pct | 0.4 |
| first_year_degradation_pct | 1.5 |
| performance_years | 25 |
| product_years | 15 |
| retained_power_at_year | 25 |
| retained_power_end_pct | UNKNOWN |
Documents
datasheet
LR5-54HTH 420~440M (Hi-MO X6 Explorer, 30/30 and 15 Frame) - LONGi module datasheet
rev V19 20230926
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| Bolt torque | M8: 14-18 N.m |