ANMA System Building

Identity

category	pv_modules
generation	DeepBlue 4.0
manufacturer	JA Solar
market_version	UNKNOWN
model	JAM78D40-640/GB
mpn	UNKNOWN
product_family	JAM78D40 GB (615-640W)
product_status	active
region	EU
release_year	UNKNOWN
series	JAM78D40 GB
sku	UNKNOWN
variant	/GB

Electrical

application_class	UNKNOWN
bifacial	True
bifaciality_factor_pct	UNKNOWN
cell_technology	N-Type TOPCon, 182mm wafer, Double Glass, GFI (Gapless), Bifacial; cell listed as 'Mono'
extra	{'power_bins_w': 'UNKNOWN', 'power_bin_range_w': '615-640 (family range exactly as printed in the page heading; individual bin steps are NOT printed and were not inferred)', 'power_bin_table': [], 'cell_count': '156(6x26)', 'cell_layout': '156(6x26)', 'fire_type': 'UNKNOWN', 'bifacial_gain_note': "Page states 'Bifacial'; bifaciality factor not printed."}
imp_a	UNKNOWN
isc_a	UNKNOWN
max_reverse_current_a	UNKNOWN
max_series_fuse_rating_a	UNKNOWN
max_system_voltage_label	UNKNOWN
max_system_voltage_v	UNKNOWN
module_efficiency_pct	22.9
nmot	{'pmax_w': 'UNKNOWN', 'voc_v': 'UNKNOWN', 'vmp_v': 'UNKNOWN', 'isc_a': 'UNKNOWN', 'imp_a': 'UNKNOWN', 'conditions': 'UNKNOWN', 'note': 'No NMOT data on the product page; the linked datasheet PDF carries no machine-readable text.'}
nmot_c	UNKNOWN
pmax_w	640
power_tolerance	UNKNOWN
protection_class	UNKNOWN
rated_power_w	640
stc_conditions	UNKNOWN
temp_coeff_isc	UNKNOWN
temp_coeff_pmax	UNKNOWN
temp_coeff_voc	UNKNOWN
vmp_v	UNKNOWN
voc_v	UNKNOWN

Physical / mechanical

backsheet	not applicable (double glass)
bypass_diodes	3
cable_cross_section_mm2	4mm² (IEC), 12 AWG(UL)
cable_length_mm	Portrait: 300mm(+)/400mm(-); Landscape: 1500mm(+)/1500mm(-)
connector_type	QC 4.10-351/ MC4-EVO2A
depth_mm	35
dimensions_mm	2465±2mm x 1134±2mm x 35±1mm
frame	UNKNOWN
frame_colour	UNKNOWN
glass	Front Glass/Back Glass 2.0mm/2.0mm
glass_construction	dual glass
glass_thickness_mm	2.0
junction_box	IP68, 3 diodes
length_mm	2465
weight_kg	34.8
width_mm	1134

Installation

clamp_requirements	UNKNOWN
grounding	UNKNOWN
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	UNKNOWN
pid	UNKNOWN
salt_mist	UNKNOWN
snow_load	UNKNOWN
wind_load	UNKNOWN

Warranty & service

annual_degradation_pct	0.4
first_year_degradation_pct	1.0
performance_years	30
product_years	UNKNOWN
retained_power_at_year	30
retained_power_end_pct	UNKNOWN

Documents

datasheet {# Located but never retrieved: listed, but deliberately not linked, and it backs no stored value. #} JAM78D40-640/GB datasheet PDF — located, not retrieved rev UNKNOWN

other JA Solar EU product page - JAM78D40 GB (615-640W) rev UNKNOWN

Recorded conflicts

electrical_extra.power_bin_range_w Review required

615-640 W — JA Solar EU product page heading 'JAM78D40 GB (615-640W)'

605-630 W — JA Solar datasheet 'JAM78D40 605-630/GB/1500V' (2022)

Additional documented parameters

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

Key-spec chip	GFI (Gapless)
Packaging details	36pcs/Pallet, 576pcs/40HQ Container
Wafer size	182mm

JA Solar JAM78D40-640/GB