Product Short Description
Product Overview
The ABB T5S630-PR221DS-LSI R630F F 3P is a high-performance three-pole moulded case circuit breaker (MCCB) from ABB’s Tmax T series, engineered for reliable overcurrent and short-circuit protection in low-voltage electrical systems. It combines robust mechanical design with advanced electronic trip functionality, making it suitable for industrial, commercial, and power distribution applications where precision, safety, and durability are critical.
Description
Key Specifications
| Parameter | Value |
|---|---|
| Product Type | Moulded Case Circuit Breaker (MCCB) |
| Series | SACE Tmax T |
| Number of Poles | 3P (Three-Pole) |
| Rated Current (In) | 630 A |
| Rated Operational Voltage (Ue) | 690 V AC |
| Rated Insulation Voltage (Ui) | 1000 V |
| Rated Impulse Withstand Voltage (Uimp) | 8 kV |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) | 50 kA (400 V AC); 25 kA (690 V AC) |
| Rated Service Short-Circuit Breaking Capacity (Ics) | 50 kA (400 V AC); 25 kA (690 V AC) |
| Trip Unit | PR221DS-LSI (Long-Time / Short-Time / Instantaneous) |
| Trip Current Rating | 630 A |
| Terminal Connection Type | Fixed (F), Front Terminals for Copper Cables |
| Degree of Protection (IP) | IP20 |
| Dimensions (W x H x D) | 140 mm x 205 mm x 103.5 mm |
| Net Weight | 4.875 kg |
| Power Loss (Per Pole at Rated Conditions) | 41 W |
| Electrical Life | 5000 cycles (60 cycles/hour) |
| Mechanical Life | 20000 cycles (120 cycles/hour) |
| Standards Compliance | IEC 60947-2, IEC 60898-1, CCC |
| Order Part Number | 1SDA054404R1 |
Function & Feature Highlights
1. Advanced LSI Protection Logic
The PR221DS-LSI electronic trip unit delivers three-stage protection with adjustable parameters to prevent nuisance tripping and ensure optimal system safety:
- Long-Time Delay (L): Monitors continuous load current with adjustable settings (252–630 A) to protect against gradual overloads, preventing overheating of cables and equipment.
- Short-Time Delay (S): Provides timed short-circuit protection with adjustable current (630–5985 A) and time delay (0.1–0.25 s selectable) to coordinate with downstream protection devices[29].
- Instantaneous (I): Rapid short-circuit detection with adjustable settings (630–5985 A) for immediate fault isolation, critical for high-fault-current scenarios.
2. Robust Mechanical & Electrical Design
- Dual-Insulation Structure: Enhances safety and reduces the risk of electric shock, aligning with industrial safety standards.
- High-Conductivity Contacts: Silver-nickel-tin alloy contacts minimize contact resistance (<15 μΩ at rated current) and reduce power loss, ensuring efficient current flow.
- Advanced Arc Quenching System: Equipped with a double-break longitudinal magnetic blow-out arc chamber and ceramic arc chute to rapidly extinguish arcs during fault conditions, improving breaking performance and durability[22].
- Modular Construction: Supports easy integration of accessories (e.g., auxiliary contacts, shunt trips, undervoltage trips) and field servicing, reducing maintenance downtime.
3. Operational Flexibility
- Manual Operation: Front-mounted toggle handle for direct manual closing and tripping, ensuring intuitive control in emergency situations.
- Bolt-On Terminals: Secure, tooled connection for copper cables, ensuring reliable electrical contact and easy installation in switchgear and distribution boards.
- Wide Voltage Compatibility: Operates reliably across 220–690 V AC systems, making it versatile for global applications.
Application Scenarios
The ABB T5S630-PR221DS-LSI R630F F 3P is ideal for protecting critical circuits in the following environments:
-
Industrial Power Distribution
- Manufacturing plants (automotive, chemical, food & beverage)
- Oil & gas installations (onshore and offshore platforms)
- Mining operations and renewable energy facilities (solar, wind farms)
-
Commercial & Infrastructure
- High-rise buildings and shopping malls
- Data centers and server rooms (for backup power distribution)
- Transportation systems (railways, airports, ports)
-
Utility & Grid Systems
- Substation auxiliary power systems
- Industrial process control panels (e.g., for ABB industrial robots and automation systems)
- Marine and shipboard power distribution (with GL certification for marine applications)
Standards & Certifications
Complies with international standards and holds key certifications to ensure global usability:
- IEC Standards: IEC 60947-2 (Low-voltage switchgear and controlgear), IEC 60898-1 (Consumer safety products)
- National Certifications: CCC (China Compulsory Certification)
- Global Approvals: CE (European Conformity), GL (Germanischer Lloyd for marine applications)
Ordering & Availability
- Manufacturer Part Number: 1SDA054404R1
- EAN Code: 8015644555023
- Customs Tariff Code: 85362090
- Availability: Typically ships within 7–10 days from stock (varies by region)[19]
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