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JA Solar JAM78S10-455/MR/1500V

Official manufacturer GLOBAL verified Sept. 3, 2026

Identity

category pv_modules
generation MBB half-cell PERC (pre-DeepBlue 78-cell utility)
manufacturer JA Solar
market_version 1500V DC (IEC)
model JAM78S10-455/MR/1500V
mpn UNKNOWN
product_family 455W MBB Half-Cell PERC Module Mono JAM78S10 435-455/MR/1500V Series
product_status UNKNOWN
region GLOBAL
release_year 2020
series JAM78S10 /MR
sku UNKNOWN
variant /MR/1500V

Electrical

application_class UNKNOWN
bifacial False
bifaciality_factor_pct UNKNOWN
cell_technology Mono P-type PERC, MBB half-cell, 156 half-cells (6x26), monofacial
extra {'power_bins_w': [435, 440, 445, 450, 455], 'power_bin_range_w': '435-455', 'power_bin_table': [{'pmax_w': 435, 'model': 'JAM78S10-435/MR/1500V', 'voc_v': 52.73, 'vmp_v': 44.5, 'isc_a': 10.4, 'imp_a': 9.78, 'efficiency_pct': 20.0}, {'pmax_w': 440, 'model': 'JAM78S10-440/MR/1500V', 'voc_v': 53.0, 'vmp_v': 44.87, 'isc_a': 10.44, 'imp_a': 9.81, 'efficiency_pct': 20.3}, {'pmax_w': 445, 'model': 'JAM78S10-445/MR/1500V', 'voc_v': 53.31, 'vmp_v': 45.18, 'isc_a': 10.48, 'imp_a': 9.85, 'efficiency_pct': 20.5}, {'pmax_w': 450, 'model': 'JAM78S10-450/MR/1500V', 'voc_v': 53.58, 'vmp_v': 45.51, 'isc_a': 10.52, 'imp_a': 9.89, 'efficiency_pct': 20.7}, {'pmax_w': 455, 'model': 'JAM78S10-455/MR/1500V', 'voc_v': 53.87, 'vmp_v': 45.83, 'isc_a': 10.56, 'imp_a': 9.93, 'efficiency_pct': 21.0}], 'nmot_bin_table': [{'pmax_w': 330, 'model': 'JAM78S10-435/MR/1500V', 'voc_v': 50.45, 'vmp_v': 41.03, 'isc_a': 8.43, 'imp_a': 8.04}, {'pmax_w': 334, 'model': 'JAM78S10-440/MR/1500V', 'voc_v': 50.66, 'vmp_v': 41.28, 'isc_a': 8.48, 'imp_a': 8.09}, {'pmax_w': 338, 'model': 'JAM78S10-445/MR/1500V', 'voc_v': 50.86, 'vmp_v': 41.57, 'isc_a': 8.53, 'imp_a': 8.13}, {'pmax_w': 342, 'model': 'JAM78S10-450/MR/1500V', 'voc_v': 51.11, 'vmp_v': 41.86, 'isc_a': 8.57, 'imp_a': 8.17}, {'pmax_w': 346, 'model': 'JAM78S10-455/MR/1500V', 'voc_v': 51.38, 'vmp_v': 42.14, 'isc_a': 8.61, 'imp_a': 8.21}], 'cell_count': '156(6x26)', 'cell_layout': '156 half-cells, 6x26', 'fire_type': 'UNKNOWN', 'bifacial_gain_note': 'UNKNOWN'}
imp_a 9.93
isc_a 10.56
max_reverse_current_a UNKNOWN
max_series_fuse_rating_a 20
max_system_voltage_label 1500V DC (IEC)
max_system_voltage_v 1500
module_efficiency_pct 21.0
nmot {'pmax_w': 346, 'voc_v': 51.38, 'vmp_v': 42.14, 'isc_a': 8.61, 'imp_a': 8.21, 'conditions': 'NOCT (the sheet labels this table NOCT; NOCT stated as 45±2 degC)', 'note': 'Top-bin (455 W) NOCT row. Full per-bin NOCT table stored in electrical_extra.nmot_bin_table.'}
nmot_c 45±2
pmax_w 455
power_tolerance UNKNOWN
protection_class UNKNOWN
rated_power_w 455
stc_conditions 1000W/m2 irradiance, 25 degC cell temperature, AM1.5
temp_coeff_isc 0.044 %/degC
temp_coeff_pmax -0.35 %/degC
temp_coeff_voc -0.272 %/degC
vmp_v 45.83
voc_v 53.87

Physical / mechanical

backsheet UNKNOWN
bypass_diodes UNKNOWN
cable_cross_section_mm2 4.0
cable_length_mm UNKNOWN
connector_type UNKNOWN
depth_mm 40
dimensions_mm 2180±2mm x 996±2mm x 40±1mm
frame UNKNOWN
frame_colour UNKNOWN
glass UNKNOWN
glass_construction single glass (glass-backsheet, /MR)
glass_thickness_mm UNKNOWN
junction_box UNKNOWN
length_mm 2180
weight_kg 24.6kg±3%
width_mm 996

Installation

clamp_requirements 8 mounting holes, 10 grounding holes, 8 draining holes
grounding 10 grounding holes
max_installation_altitude_m UNKNOWN
mounting_methods UNKNOWN

Environment

ammonia UNKNOWN
fire_rating UNKNOWN
hail UNKNOWN
max_static_load_front_pa UNKNOWN
max_static_load_rear_pa UNKNOWN
operating_temperature_c -40 to +85
pid UNKNOWN
salt_mist UNKNOWN
snow_load UNKNOWN
wind_load UNKNOWN

Certifications

standards ['IEC 61215', 'IEC 61730', 'ISO 9001:2015', 'ISO 14001:2015', 'OHSAS 18001:2007']

Warranty & service

annual_degradation_pct UNKNOWN
first_year_degradation_pct UNKNOWN
performance_years 25
product_years 12
retained_power_at_year 25
retained_power_end_pct UNKNOWN

Documents

datasheet 455W MBB Half-Cell PERC Module Mono JAM78S10 435-455/MR/1500V Series rev Global_EN_20200530A

Additional documented parameters

Recorded verbatim from the source; no schema field exists for these yet.

Mounting/grounding/draining holesMounting Holes 8 places; Grounding Holes 10 places; Draining Holes 8 places
Version No.Global_EN_20200530A

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