2P 80A DC Circuit Breaker 160V for Solar & Battery Systems SAA-240786-EA

Description

SAA-certified 80A DC protection for battery systems.

Battery packs and energy storage systems need a breaker rated for direct current. The Projoy PEBS-L-125 80A 2 pole DC MCB provides overload and short-circuit protection up to 160V DC, with 10kA breaking capacity and SAA certificate SAA-240786-EA.

Key Features

• SAA certified: SAA-240786-EA (AS/NZS IEC 60947.2:2015)
• Rated current 80A on a 125A frame
• 2 pole, rated working voltage 160V DC (80V DC per pole)
• Icu 10kA / Ics 7.5kA breaking capacity
• Thermal-magnetic trip
• Non-polarity design for easy installation
• Rated insulation voltage 500V, impulse withstand 6kV
• Terminals accept 4 to 50mm² at 3.5Nm
• Ambient temperature -30°C to +70°C
• 54mm wide (27mm per pole), 35mm DIN rail mount
• Rated to EN 60947-2 and AS/NZS IEC 60947.2

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Why it Matters

Rated for low-voltage DC circuits
Projoy designed the PEBS-L-125 series for energy storage and other low-voltage DC systems, and lists battery pack and energy storage systems among its applications. The 2 pole version is rated 160V DC, and the series is offered in 63A, 80A, 100A and 125A ratings on a 125A frame. Mechanical life exceeds 10,000 cycles, and Projoy lists electrical life for the 80A rating at more than 300 cycles (actual), against a 200 cycle standard.

Certified for Australian supply
SAA Approvals Pty Ltd issued certificate SAA-240786-EA to ProJoy Electric SZ Co., Ltd. for the PEBS-L DC miniature circuit breaker, to AS/NZS IEC 60947.2:2015. The certified 2 pole rating is DC160V, and the certified rated currents include 80A, with Icu 10kA and Ics 7.5kA. The certificate was issued on 19 July 2024 and expires on 19 July 2029.

Switchboard fit and wiring
The breaker clips onto 35mm DIN rail and is 54mm wide, with Projoy listing a length of 86mm and a height of 76.5mm. For the 80A rating, Projoy's harness specification lists 25mm² (4 AWG) copper conductors tightened to 3.5Nm. The front is IP40 and the wiring ports are IP20. The non-polarity design means the breaker is not wired to a set positive or negative orientation.

Q: Is the Projoy PEBS-L-125 80A 2 pole DC MCB SAA certified?
A: Yes. The PEBS-L DC miniature circuit breaker is covered by SAA certificate SAA-240786-EA to AS/NZS IEC 60947.2:2015, which lists the 2 pole DC160V rating and includes 80A.

Q: What voltage is the PEBS-L-125 2 pole DC breaker rated for?
A: The 2 pole version has a rated working voltage of 160V DC, or 80V DC per pole. Its rated insulation voltage is 500V and its impulse withstand rating is 6kV.

Q: What cable size suits the 80A PEBS-L-125?
A: Projoy's harness specification lists 25mm² (4 AWG) copper conductors for 80A, tightened to 3.5Nm. The terminals accept conductors from 4 to 50mm².