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REC Installation Manual - REC Alpha 72 Series  - IEC 61215 /61730
Rev A - 02.20 

Ref: NE-06-23

13

PANEL CHARACTERISTICS

TECHNICAL PROPERTIES: REC ALPHA 72 SERIES

Fig. 11: Panel dimensions: REC Alpha 72 Series

Specifications subject to change without notice.

Ref: PM-

DS-12-01-

Rev- C  

01.20

Ref: PM-

DS-12-03-

Rev- A  

02.20

ELECTRICAL DATA

Product Code

*

: RECxxxAA 72

Nominal Power - P

MAX

 (Wp) 

430

435

440

445

450

Watt Class Sorting - (W)

-0/+5

-0/+5

-0/+5

-0/+5

-0/+5

Nominal Power Voltage - V

MPP

 (V) 

45.1

45.4

45.7

46.0

46.3

Nominal Power Current - I

MPP

 (A) 

9.54

9.59

9.63

9.68

9.72

Open Circuit Voltage - V

OC

 (V) 

52.7

52.9

53.0

53.2

53.2

Short Circuit Current - I

SC

 (A) 

10.25

10.27

10.31

10.38

10.43

Power Density (W/m

2

)

203.79

206.16

208.53

210.90

213.27

Panel Efficiency (%) 

20.4

20.6

20.8

21.0

21.3

Nominal Power - P

MAX

 (Wp)

327

331

335

339

342

Nominal Power Voltage - V

MPP

 (V) 

42.5

42.7

43.1

43.3

43.6

Nominal Power Current - I

MPP

 (A) 

7.71

7.75

7.78

7.82

7.85

Open Circuit Voltage - V

OC

 (V) 

49.7

49.8

49.9

50.1

50.1

Short Circuit Current - I

SC

 (A) 

8.28

8.29

8.33

8.38

8.42

Values at standard test conditions (STC: air mass AM 1.5, irradiance 1000 W/m², temperature 25°C), based on a production spread with 

a tolerance of P

MAX

, V

OC 

& I

SC

 ±3% within one watt class.  

Nominal module operating temperature (NMOT: air mass AM 1.5, irradiance 800 W/m², temperature 20°C, windspeed 1 m/s). 

* Where xxx indicates the nominal power class (P

MAX

) at STC above.

Specifications subject to change without notice.

Measurements in mm [in]

GENERAL DATA

Cell type:

144 half-cut cells with REC 

heterojunction cell technology 

6 strings of 24 cells in series

Glass:

3.2 mm solar glass with  

anti-reflection surface treatment

Backsheet:

Highly resistant  

polymeric construction

Frame:

Anodized aluminum

Junction box:

3-part, 3 bypass diodes, IP67 rated 

in accordance with IEC 62790 

Connectors:

Stäubli MC4 Evo 2 

PV-KBT4-EVO-2/PV-KST4-EVO-2 (4 mm²) 

in accordance with IEC 62852 

IP68 only when connected

Cable:

4 mm² solar cable, 1.2 m + 1.3 m 

in accordance with EN 50618

Dimensions:

2063 x 1026 x 30 mm

 (

2.12 m²

)

Weight:

23.5 kg

Origin:

Made in Singapore

CERTIFICATIONS

WARRANTY

*

LOW LIGHT BEHAVIOUR

TEMPERATURE RATINGS

*

MAXIMUM RATINGS

take-e-way WEEE-compliant 

recycling scheme

Typical low irradiance performance of module at STC:

IEC 61215:2016, IEC 61730:2016, UL 1703, UL 61730
IEC 62804

PID

IEC 61701 

Salt Mist

IEC 62716

Ammonia Resistance

ISO 11925-2

Ignitability (Class E)

IEC 62782 

Dynamic Mechanical Load

IEC 61215-2:2016

Hailstone (35mm)

AS4040.2 NCC 2016

Cyclic Wind Load

ISO 14001:2004, ISO 9001:2015, OHSAS 18001:2007

Standard

REC ProTrust

Installed by an REC Certified 

Solar Professional

No

Yes

Yes

System Size 

All

≤25 kW 25-500 kW

Product Warranty (yrs)

20

25

25

Power Warranty (yrs)

25

25

25

Labor Warranty (yrs)

0

25

10

Power in Year 1

98%

98%

98%

Annual Degradation

0.25%

0.25%

0.25%

Power in Year 25

92%

92%

92%

See warranty documents for details. Conditions apply. 

100

200

300

400

500

600

700

800

900

1000

85

90

95

100

105

Irradiance (W/m²)

Rel. Efficiency (%)

Nominal Module Operating Temperature:

44°C (±2°C)

Temperature coefficient of P

MAX

:

-0.26 %/°C

Temperature coefficient of V

OC

:

-0.24 %/°C

Temperature coefficient of I

SC

:

0.04 %/°C

*

The temperature coefficients stated are linear values

Operational temperature:

-40 ... +85°C

Maximum system voltage:

1500 V

Design load (+): snow 
Maximum test load (+):

3600 Pa (367 kg/m²)

+

 

5400 Pa (550 kg/m²)*

Design load (-): wind 
Maximum test load (-):

1600 Pa (163 kg/m²)

2400 Pa (245 kg/m²)*

Max series fuse rating:

25 A

Max reverse current:

25 A

+

 Calculated using a safety factor of 1.5 

*

 See installation manual for mounting instructions

 S

TC

 N

M

O

T

2063± 2.5 [81.20±0.1] 

1058 [41.7]

400 [15.75]

28 [1.1]

1026±2.5 [40.0±0.1]

985 [38.80]

45 [1.5]

17 [0.7]

502.5 [19.8]

11± 0.2 

[0.43±0.8]

6.6± 0.2 

[0.26±0.08]

20.5±0.5

[0.78±0.08]

761±3 [29.9±0.1]

30 [1.18]

GR

22.55 [0.9]

1300 [51]

1200 [47]

GR

GR

GR

Summary of Contents for Alpha 72 Series

Page 1: ...rec Alph 72 SERIES INSTALLATION MANUAL FOR ALL REC ALPHA 72 SOLAR PANELS CERTIFIED ACCORDINGTO IEC 61215 IEC 61730 STANDARDS...

Page 2: ...AGEMENT 11 PANEL MAINTENANCE 12 RECYCLING 12 DISPOSAL OF OLD ELECTRICAL AND ELECTRONIC EQUIPMENT 12 PANEL CHARACTERISTICS 13 Technical Properties REC Alpha 72 Series 13 ANNEX 1 INSTALLATIONS ON WATER...

Page 3: ...ore installers are responsible for the following Only qualified personnel must perform work on photovoltaic systems such as installation commissioning maintenance and repairs Be sure to follow the saf...

Page 4: ...erved during handling to avoid the risk of sparking fire hazards burns and lethal electric shocks Exercise extreme caution when wiring panels and look out for damaged or dirty cables etc Never insert...

Page 5: ...voiddamageordegradationtothepackagingorpanelcomponents pallets and panels must be stored in a controlled environment ideally internal where it is protected from the elements e g rain dust and direct s...

Page 6: ...bundled together so loops are as small as possible String configurations must be checked before commissioning If open circuit voltage Voc and short circuit current Isc deviate from specification this...

Page 7: ...mp grip length and the central point of the fixation e g the bolt is fully within the required clamping zone as indicated on the following pages CLAMP SPECIFICATIONS Clamp installation must be carried...

Page 8: ...g 3 Clamping zones for panels with rails parallel to short side CAUTION The minimum grip length of each clamp and its center point must be fully located in the same color zone to be rated to that load...

Page 9: ...eledgeofeachpanelmustbesupportedbytworails figs 2a 2b ofaluminiumorgalvanized steelsuitablefortheapplicationandappropriateforthelocalenvironment Observethefollowingprocedureswhenusingmountingholes The...

Page 10: ...hown in fig 9 and can be further identified by the grounding symbol stamped in the frame next to it Check all applicable requirements before beginning installation Suitable grounding clips lugs or oth...

Page 11: ...standards e g IEC 62852 or UL 6703 to ensure they are fit for purpose and safety Useofanychemicalsorlubricantsontheconnectorsorcontactsmayonlybecarriedoutinlinewiththeconnectormanufacturer sinstructio...

Page 12: ...local guidelines and regulations By ensuring REC solar panels are disposed of correctly you will help prevent potential negative impact on the environment and human health The majority of the panel c...

Page 13: ...ewithIEC62790 Connectors St ubliMC4Evo2 PV KBT4 EVO 2 PV KST4 EVO 2 4mm inaccordancewithIEC62852 IP68onlywhenconnected Cable 4 mm solar cable 1 2 m 1 3 m in accordance with EN 50618 Dimensions 2063 x...

Page 14: ...installation must have sufficient length and slack to prevent damage due to water level changes and wave motions ii Mounting panels Installation of REC solar panels must be in accordance with the afor...

Page 15: ...r instructions to ensure optimum mounting of MLPE device and prevent any slippage during operation MLPE devices may also be attached to the mounting construction In such cases refer to the instruction...

Page 16: ...nformity of the product with the requirements of the above mentioned EC Directive and its conformity with the safety requirements of the EC Low Voltage Directive 2014 35 EU DIN EN 61215 VDE 0126 31 20...

Page 17: ...RECInstallationManual RECAlpha72Series IEC61215 61730 Rev A 02 20 Ref NE 06 23 17 DOCUMENTHISTORY Date Revision Reason 02 2020 A First release...

Page 18: ...RECSOLARPTE LTD 20TUASSOUTHAVENUE14 SINGAPORE637312 SINGAPORE Tel 6564959228 Mail post recgroup com www recgroup com 18 RECInstallationManual RECAlpha72Series IEC61215 61730 Rev A 02 20 Ref NE 06 23...

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