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ABB 1SDA059463R1 Tmax T5S 400 A three-pole motor circuit protector with PR221DS-I electronic magnetic release, fixed front terminals and UL/CSA configuration for low voltage motor and feeder protection.
The ABB 1SDA059463R1 is a high-performance Tmax T5S motor circuit protector designed for dependable short-circuit protection in low voltage motor control and electrical distribution systems. Part of the trusted ABB SACE Tmax T series, this breaker is built for industrial switchboards, motor control centres, OEM machinery and control panel applications requiring robust protection and reliable ABB performance.
This model features a PR221DS-I electronic magnetic release, providing instantaneous protection against short-circuit faults. Its UL/CSA configuration supports installations requiring North American approval standards, while the fixed three-pole design with front terminals allows straightforward integration into switchboards, feeder panels and motor starter assemblies.
With a 400 A rated current, 400 A frame rating and 600 V AC rated operational voltage, the ABB 1SDA059463R1 is ideal for high-current motor protection and feeder applications where compact construction, dependable fault interruption and long-term reliability are essential.
Motor circuit protectors such as the ABB Tmax T5S MCP provide rapid disconnection during short-circuit conditions, helping protect cables, switchgear and connected equipment. When used within a correctly designed motor starter assembly, they support safe and dependable operation in demanding industrial environments.
The PR221DS-I release provides instantaneous magnetic protection for motor control and feeder circuits. Its fixed construction and front terminal layout make the ABB 1SDA059463R1 a practical choice for panel builders, machine manufacturers and engineers working with high-current low voltage assemblies.
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| Current | 400 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T5S | |
| Model | 1SDA059463R1 | |
| Extended product type | T5S400 MCP-UL/CSA PR221DS-I In=400 3p FF | |
| Product type | Motor circuit protector / moulded case circuit breaker | |
| Frame size | T5 | |
| Rated current (In) | 400 A | |
| Rated uninterrupted current (Iu) | 400 A | |
| Number of poles | 3P | |
| Release | PR221DS-I | |
| Release type | Electronic magnetic release | |
| Rated operational voltage | 600 V AC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Terminal connection | Fixed front terminals | |
| Mechanical durability | 20,000 cycles | |
| Power loss | 16.5 W per pole at rated operating conditions | |
| EAN | 8015644618452 | |
| Standards | UL / CSA | |
| Dimensions (H × W × D) | approx. 205 × 140 × 103.5 mm | |
| Weight | approx. 5.1 kg |
The ABB 1SDA059463R1 is used for short-circuit protection in motor control, feeder and low voltage electrical distribution applications.
This model has a 400 A rated current and is built on a 400 A Tmax T5 frame.
It is fitted with a PR221DS-I electronic magnetic release, providing instantaneous protection against short-circuit faults.
The ABB 1SDA059463R1 is a three-pole fixed breaker with front terminal connections.
Yes, this version is designed for UL/CSA applications, making it suitable for installations where those approval standards are required.
ABB Tmax motor circuit protectors and moulded case circuit breakers are widely used by panel builders, machine manufacturers and industrial engineers for reliable low voltage protection, durable construction and trusted performance in demanding installations.
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