Solar Lattice

Product

TRIO-20.0/27.6-TL-OUTD string inverter

ID
prod:abb-trio-20-27-6-tl-outd
IRI
https://solarlattice.org/kb/prod/abb-trio-20-27-6-tl-outd
Status
active
Also known as
TRIO-20.0-TL-OUTD, TRIO-27.6-TL-OUTD, TRIO-20.0/27.6-TL-OUTD, TRIO-20.0-27.6-TL-OUTD-US, TRIO-20.0/27.6
Category
Inverters
Make
abb
Product level
family

The TRIO-20.0/27.6-TL-OUTD is a family of three-phase string inverters made by FIMER, covering nominal output powers from 20.0 kW to 27.6 kW. The TRIO-20.0 model has a nominal output of 20000 W and the TRIO-27.6 model has 27600 W. The maximum output power is higher, at 22000 W and 30000 W. Both models list a maximum efficiency of 98.2 percent, a CEC efficiency of 97.5 percent and a power factor above 0.995. Each S2X and S2F variant has two input channels with quick-fit connectors (four pairs per channel on the 20.0 kW model, five on the 27.6 kW model), a combined AC+DC disconnect switch, and string protection fuses. S2X variants have DC and AC overvoltage surge arresters. S2F variants do not have them. Reverse polarity protection is passive only, and the US version carries the cCSAus safety approval. Units built from week 27 of 2015 use Weidmüller WM4 C DC connectors. The manual has graphs showing how output power is reduced at high altitude and when the input voltage is too high or too low.

<!-- review notes

Claims

manufactured_by

c1 drafted · lead FIMER proposed

rated_power

c2 drafted · lead 20–27.6 KiloW

Conditions: Family range across TRIO-20.0 and TRIO-27.6 models

c3 drafted · lead nominal 20000 W

Conditions: TRIO-20.0-TL-OUTD, nominal output power (US quick installation guide)

review note: possible conflict with c4 (same source; check the conditions)

c4 drafted · lead nominal 27600 W

Conditions: TRIO-27.6-TL-OUTD, nominal output power (US quick installation guide)

review note: possible conflict with c3 (same source; check the conditions)

c5 drafted · lead nominal 20 KiloW

Conditions: TRIO-20.0-TL-OUTD-S2X-400 and -S2F-400 variants, nominal output power

review note: possible conflict with c6 (same source; check the conditions)

c6 drafted · lead nominal 27.6 KiloW

Conditions: TRIO-27.6-TL-OUTD-S2X-400 and -S2F-400 variants, nominal output power

review note: possible conflict with c5 (same source; check the conditions)

efficiency

c7 drafted · lead nominal 98.2 PERCENT

Conditions: Maximum (peak) efficiency, both TRIO-20.0 and TRIO-27.6 models

review note: possible conflict with c8 (same source; check the conditions)

c8 drafted · lead nominal 97.5 PERCENT

Conditions: CEC weighted efficiency, both TRIO-20.0 and TRIO-27.6 models

review note: possible conflict with c7 (same source; check the conditions)

implements

c9 verified · fact Reverse polarity protection

Passive inverter protection only, per the US quick installation guide.

verified by: review-workflowverified on: 2026-10-24

c10 drafted · lead Surge protection

DC and AC overvoltage surge arresters are fitted on S2X-400 variants only; S2F-400 variants have none.

Referenced by

Data