2P 32A DC Circuit Breaker 320V-500V for Solar & Battery Systems SAA-191046-EA

Description

SAA-approved 32A DC protection in two modules

The Projoy PEBS-H-63 32A 2 pole DC MCB protects DC circuits against overload and short circuit at up to 500V DC, with 6kA breaking capacity. It is covered by SAA certificate SAA-191046-EA and takes two 18mm modules on DIN rail.

Key Features

• SAA approval: certificate SAA-191046-EA to AS/NZS IEC 60947.2:2015
• Rated current: 32A on the 63A PEBS-H-63 frame
• Poles: 2P, rated working voltage 500V DC
• Tripping: B/C characteristics, thermal magnetic
• Breaking capacity: Icu 6kA ultimate, Ics 6kA service
• Non-polarity design
• Terminals: 2.5 to 35mm², tightened to 2.0 to 2.5 N·m
• Operating range: -30°C to +70°C ambient
• Width: 36mm (18mm per pole), 35mm DIN rail mounting

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Why it Matters

Independent Australian certification
SAA Approvals Pty Ltd issued certificate SAA-191046-EA to ProJoy Electric Co., Ltd. for the PEBS-H DC miniature circuit breaker, certifying compliance with AS/NZS IEC 60947.2:2015. The certified ratings list 2 pole units at 500V DC and include the 32A rating, with Icu and Ics of 6.0kA. The certificate can be verified on the SAA Approvals website. Projoy designs the series for photovoltaic, energy storage and battery pack systems.

Two ways to wire the 2 pole unit
Projoy's contact configuration shows two 2P arrangements: both poles connected in series on one conductor, or one pole on each conductor of the circuit. Projoy specifies a non-polarity design, so the breaker does not need to be connected in a set current direction.

Allowing for cable and temperature
For the 32A rating, Projoy's harness table lists 10mm² (8 AWG) copper conductors. Its temperature table sets the current coefficient at 1 at 30°C, falling to 0.968 at 40°C and 0.844 at 70°C, so plan around the real temperature inside the enclosure. Optional MX shunt trip and OF auxiliary contact accessories are listed for the PEBS-H range (not included).

Q: Is the Projoy PEBS-H-63 32A DC MCB SAA approved?
A: Yes. SAA certificate SAA-191046-EA covers the Projoy PEBS-H DC miniature circuit breaker to AS/NZS IEC 60947.2:2015, and its certified ratings include 2 pole units at 500V DC and the 32A rating.

Q: What is the maximum DC voltage of the 2 pole PEBS-H-63?
A: The 2 pole version is rated at 500V DC. Projoy offers 750V DC in the 3 pole and 1000V DC in the 4 pole versions of the series.

Q: What cable size suits the 32A PEBS-H-63?
A: Projoy lists 10mm² (8 AWG) copper for 32A, with terminal torque of 2.0 to 2.5 N·m. The terminals accept 2.5 to 35mm². Confirm final cable sizing to AS/NZS 3008.1.1 for your installation.