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ABB TMAX T4H 250-PR221DS Molded Case Circuit Breaker
Item NO.:
TMAX T4H 250-PR221DPayment:
T/TPrice:
$300Product Origin:
SwedenColor:
NEWLead Time:
In stockWe will arrange delivery within 3-5 days after receiving the payment.
Our express delivery: DHL and FedEx.
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ABB TMAX T4H 250-PR221DS Molded Case Circuit Breaker is a high-performance low-voltage MCCB from ABB’s SACE Tmax series. Equipped with the PR221DS electronic trip unit, it provides accurate overload, short-circuit, and fault protection for industrial and commercial power distribution systems. Its compact design, high interrupting capacity, and industrial-grade durability make it suitable for power distribution, motor protection, and industrial control applications.
| Parameter | Specification |
|---|---|
| Model | TMAX T4H 250-PR221DS |
| Type | Molded Case Circuit Breaker (MCCB) |
| Poles | 3-pole |
| Rated Current (In) | 250 A |
| Rated Operational Voltage | AC 690 V |
| Rated Insulation Voltage (Ui) | 1000 V |
| Short-Circuit Breaking Capacity (Icu/Ics) | 100 kA @ 220–230 V AC; 70 kA @ 380–415 V AC; 65 kA @ 440 V AC; 50 kA @ 500 V AC; 40 kA @ 690 V AC |
| Impulse Withstand Voltage (Uimp) | 8 kV |
| Mechanical Life | ~20,000 operations |
| Electrical Life | ~8,000 operations |
| Trip Unit | PR221DS electronic release |
| Terminal Type | Front fixed terminals |
| Mounting | Panel or distribution cabinet |
| Standards | IEC 60947-2 |
Reliable Electrical Protection
PR221DS electronic trip unit provides accurate overload and short-circuit protection.
High Short-Circuit Withstand
Capable of interrupting up to 100 kA short-circuit currents for industrial and commercial systems.
Compact Design
Space-saving for distribution panels, allowing optimized layouts.
Easy Installation & Maintenance
Front fixed terminals simplify wiring and maintenance.
Industrial-Grade Durability
High mechanical and electrical life, suitable for frequent operation and long-term use.
Industrial plant power distribution
Commercial building electrical distribution
Motor and power equipment protection
Factory automation and production line distribution
Data centers, hospitals, and other infrastructure distribution
Energy management and power centers
Always disconnect power before installation.
Adjust trip settings according to system rated current and load requirements.
Do not operate above rated voltage, temperature, or humidity limits.
Regularly inspect terminals and mechanical components.
Use protective measures in harsh environments (corrosive gases, dust, strong EMI).
The structure and details of the product：
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