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ABB 1SDA061655R1 Tmax T6N 800 UL/CSA moulded case circuit breaker with PR221DS-LS/I electronic trip unit, 600 A rated current, three-pole fixed construction and front terminals for low voltage power distribution.
The ABB 1SDA061655R1 is a high-performance Tmax T6N moulded case circuit breaker (MCCB) designed for dependable protection in industrial and commercial low voltage power distribution systems. As part of the proven ABB Tmax T series, this fixed three-pole circuit breaker provides reliable protection for switchboards, distribution panels and OEM electrical equipment.
This model is fitted with a PR221DS-LS/I solid-state electronic trip unit, providing accurate overload and short-circuit protection for AC applications. The electronic release supports long-time, short-time and instantaneous protection functions, helping improve system coordination and fault management in demanding electrical installations.
With a 600 A rated current, 800 A frame size, three-pole fixed construction and front terminal connections, the ABB 1SDA061655R1 is well suited to industrial switchgear, main distribution boards, machinery panels and export equipment requiring UL and CSA compliance.
Moulded case circuit breakers such as the ABB Tmax T6N are used to protect low voltage electrical installations from overloads and short-circuit faults. By disconnecting faulty circuits quickly and reliably, they help protect cables, switchgear and connected equipment while supporting safe system operation.
The PR221DS-LS/I electronic trip unit provides accurate protection adjustment for coordinated distribution systems. This makes the ABB 1SDA061655R1 suitable for industrial switchboards, machinery panels, OEM equipment and installations where dependable UL and CSA approved circuit protection is required.
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| Current | 600 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | Tmax T | |
| Model | T6N 800 UL/CSA PR221DS-LS/I | |
| SKU | 1SDA061655R1 | |
| EAN | 8015644641924 | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Frame size | T6 800 | |
| Rated current | 600 A | |
| Rated uninterrupted current | 800 A | |
| Number of poles | 3P | |
| Rated operational voltage | 600 V AC | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 8 kV | |
| Trip unit | PR221DS-LS/I | |
| Release type | Electronic / solid-state | |
| Terminal connection | Front terminals | |
| Mounting type | Fixed installation | |
| Mechanical durability | 20,000 operating cycles | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | 268 × 210 × 103.5 mm | |
| Weight | approx. 9.5 kg |
The ABB 1SDA061655R1 is used to protect industrial and commercial low voltage electrical distribution systems against overloads and short-circuit faults.
This circuit breaker has a 600 A rated current within an 800 A frame size.
The breaker is fitted with a PR221DS-LS/I solid-state electronic trip unit for long-time, short-time and instantaneous protection.
The ABB 1SDA061655R1 is a three-pole moulded case circuit breaker for three-phase electrical systems.
Yes, this model is designed for installations requiring UL and CSA approved circuit protection.
ABB Tmax moulded case circuit breakers are trusted by panel builders, contractors and electrical engineers worldwide for reliable circuit protection, flexible electronic trip technology and dependable performance in demanding low voltage power distribution systems.
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