The ACDC T1+T2 T2 electrical switchgear provides full protection of DC circuits of a photovoltaic installation from the effects of surges. Its design is suitable for surface mounting.

The product consists of a housing, transparent door, TH-35 mm rails, N+PE terminals, front cover with cut-outs for apparatus, chokes, caps, and mounting parts.

This switchgear has 2 MPPT inputs, 1 string each.

Electrical and mechanical parameters of the enclosure:

• Designed for surface mounting
• Manufactured in accordance with EN 60670, EN 62208
• Rated current In 63 A
• IP65 rating
• Protection class II
• Rated insulation voltage Ui: 690 V AC, 1000 V DC
• Glow wire test: 650°C
• Impact resistance: IK08
• Operating temperature: -25°C to +60°C
• Halogen-free recyclable plastic

Overcurrent circuit breaker:

• B curve
• Manufactured in accordance with IEC/EN 60898-1
• Rated short-circuit breaking capacity ICN: 6 kA
• Rated switching voltage 230/400 V AC

DEHN Combo 1200 V type 1+2 DC surge protector:

• PV T1+T2 (Class I+II, Type 1+2, B+C)
• To be used in accordance with the standard: PN-HD 60364-7-712
• Rated discharge current In: 20 kA (8/20 μs)
• Voltage protection level: 3.8 kV
• Size: 4 modules
• Maximum PV voltage Ucpv: 1200 V
• Tripping time tA 25 ns
• Optional auxiliary contact to indicate insert status

AC surge arrester:

• T2 (Class II, Type 2, C)
• Rated discharge current In (8/20 us) per phase: 20 kA
• Continuous operating voltage Uc: 275 V per phase
• Size: 4 modules

Residual-current circuit breaker Ex9L-N:

• Switch type: A
• Rated current: 40 A
• Rated residual current: 100 mA
• Number of poles: 4
• Short-circuit withstand capacity: 6 kA