Delta M70A User Manual

11 Technical Data
Installation and Operation Manual for Solar Power Inverter M70A EU V1.1 EN 2020-02-20
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11. Technical Data
Input (DC) M70A
Recommended maximum PV power 125 kW
P
Maximum input power (per MPP Tracker/total) 15.7 kW/78.5 kW
Rated power 70 kW
Maximum input voltage
1100 V
DC
Infeed stopped at > 1000 V
DC
Operating input voltage range 200 to 1000 V
DC
Rated voltage 600 V
DC
Switch-on voltage 250 V
DC
Switch-on power 150 W
MPP input voltage range 200 to 1000 V
DC
MPP input voltage range with full power
Ambient temperature <35 C: 460–900 V
DC
Ambient temperature 35–40 °C: 460–800 V
DC
Ambient temperature 40–50 °C: 520–720 V
DC
MPP input voltage range at rated power 400 to 900 V
DC
Asymmetrical design 15.7 kW/13 kW
Maximum input current (per MPP Tracker/total) 26 A/156 A
Maximum DC short-circuit current I
SC
50 A
Maximum interruption current 50 A per MPP tracker
Open-circuit voltage V
OC
1000 V
DC
/1100 V
DC
without damage
Number of MPP trackers
6
2 strings per MPPT: No external string fuses required
3 strings per MPPT: External string fuses required
Number of DC plugs 18 pairs
Galvanic isolation No
Overvoltage category
2)
II
Surge protection devices
3)
Type 2, replaceable (combination type 1+2 upgradeable)
String Monitoring Yes
Output (AC) M70A
Max. Apparent power 77 kVA
Max. Active power 77 kW
Rated apparent power
4)
70 kVA
Rated voltage
5)
230/400 V -20%/+30%, 3 phases + N + PE, (△ or Y)
Rated current 102 A
Maximum current 112 A
Maximum current in case of fault 120 A
Switch-on current 120 A
Rated frequency 50/60 Hz
Frequency range
5)
45 to 65 Hz
Adjustable power factor 0.8 cap. to 0.8 ind. (0.9 cap. to 0.9 ind. at max. active power)
Total harmonic distortion <3% at rated apparent power
DC power supply <0.5% at rated current
Power loss in night mode 2 W
Overvoltage category
2)
III
Surge protection devices
3)
Type 2, replaceable

Delta M70A Specifications

General

Brand	Delta
Model	M70A
Category	Inverter
Language	English