ABB T5S 400 PR221DS-LSI R400 FF 3P Tmax Molded Case Circuit Breaker – 400A, 3‑Pole, 50kA @ 400V, LSI Electronic Trip Unit Supplier | SIMPLYBUY
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ABB T5S 400 PR221DS-LSI R400 FF 3P Tmax Molded Case Circuit Breaker – 400A, 3‑Pole, 50kA @ 400V, LSI Electronic Trip Unit
ABB T5S 400 PR221DS-LSI R400 FF 3P Tmax Molded Case Circuit Breaker – 400A, 3‑Pole, 50kA @ 400V, LSI Electronic Trip Unit - Image 2
ABB T5S 400 PR221DS-LSI R400 FF 3P Tmax Molded Case Circuit Breaker – 400A, 3‑Pole, 50kA @ 400V, LSI Electronic Trip Unit - Image 3

ABB T5S 400 PR221DS-LSI R400 FF 3P Tmax Molded Case Circuit Breaker – 400A, 3‑Pole, 50kA @ 400V, LSI Electronic Trip Unit

ParameterValue
Product TypeMolded Case Circuit Breaker (MCCB)
Series / BrandSACE Tmax T / ABB
Model NumberT5S 400 PR221DS‑LSI R400 FF 3P
Order Number1SDA054333R1
EAN / GTIN8015644554316
Frame SizeT5 (400A frame)
Number of Poles3‑pole
Rated Current (In)400A
Overload Protection Setting (Ir)160…400A (adjustable)
Short‑time / Instantaneous Protection (Isd / Ii)400…4000A (adjustable)
Trip Unit TypePR221DS‑LSI (Electronic, LSI protection)
Rated Operational Voltage (Ue)690V AC / 750V DC
Rated Insulation Voltage (Ui)800V
Rated Impulse Withstand Voltage (Uimp)8kV
Breaking Capacity (Icu) @ 230V AC85kA
Breaking Capacity (Icu) @ 400/415V AC50kA
Breaking Capacity (Icu) @ 440V AC40kA
Breaking Capacity (Icu) @ 500V AC30kA
Breaking Capacity (Icu) @ 690V AC25kA
Connection TypeFront terminals (fixed)
Main Circuit Terminal TypeBolt connection
Control TypeRocker lever
Dimensions (D × W × H)103.5mm × 140mm × 205mm
Net WeightApprox. 3.235 kg (4.824 kg with packaging)
Degree of Protection (IP)IP20
Operating Temperature Range‑25°C to +70°C
Standards & CertificationsIEC 60947‑2, UL 489, CSA; RoHS Compliant; CE; GL Certified
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Product Description

The ABB Tmax XT moulded case circuit breaker offers exceptional performance with a range spanning 32A to 800A across multiple frame sizes. Designed for reliability and safety, it features high breaking capacities (up to 70kA) and a compact design, making it ideal for industrial and commercial applications. With thermal-magnetic trip units (TMD, TMA), the Tmax XT ensures efficient protection and easy installation.

Standard Features

  • Current Range: 32-800A across XT1 to XT6 frames

  • Breaking Capacity: Up to 70kA at 480V for robust fault protection

  • Trip Units: TMD and TMA for thermal-magnetic protection

  • Compact Design: Optimized for space-saving installations

  • Safety: Fixed (FF) configuration for stable operation

  • Global Standards: Complies with IEC standards

  • Ease of Use: Simple setup and maintenance

Technical Specifications

 

ModelRated Current (A)Shell Frame CodeBreaking Capacity (kA)
XT1N160 TMD 160 3P FF160XT1 [160]36
XT1S160 TMD 160 3P FF160XT1 [160]50
XT2S160 TMD 32 3P FF32XT2 [160]50
XT2L160 TMD 32 3P FF32XT2 [160]70
XT3N250 TMD 250 3P FF250XT3 [250]36
XT3S250 TMD 250 3P FF250XT3 [250]50
XT4S160 TMD 32 3P FF32XT4 [160]50
XT4V160 TMD 32 3P FF32XT4 [160]70
XT4S250 TMA 250 3P FF250XT4 [250]50
XT4V250 TMA 250 3P FF250XT4 [250]70
XT5H400 TMA 320 3P FF320XT5 [400]70
XT5X400 TMA 320 3P FF320XT5 [400]70
XT5L630 TMA 500 3P FF500XT5 [630]70
XT6S800 TMA 630 3P FF630XT6 [800]50
XT6H800 TMA 630 3P FF630XT6 [800]70

 

ABB T5S 400 PR221DS-LSI R400 FF 3P Tmax Molded Case Circuit Breaker – 400A, 3‑Pole, 50kA @ 400V, LSI Electronic Trip Unit

Manufacturer: ABB
Model: T5S 400 PR221DS‑LSI R400 FF 3P
Order Number: 1SDA054333R1
Type: Molded Case Circuit Breaker (MCCB)
Series: SACE Tmax T
Frame Size: T5 (400A frame)
Rated Current (In): 400A
Number of Poles: 3‑pole
Trip Unit: PR221DS‑LSI (Electronic, LSI protection)
Breaking Capacity (Icu @ 400V): 50kA
Mounting: Fixed, front terminals

The ABB T5S 400 PR221DS‑LSI R400 FF 3P is a high‑performance molded case circuit breaker from the SACE Tmax T series, designed for reliable protection and switching in industrial power distribution systems. With a 400A frame and an electronic PR221DS‑LSI trip unit providing LSI (Long‑time, Short‑time, Instantaneous) protection, it offers precise coordination and flexible protection settings. The breaker delivers an ultimate breaking capacity of 50kA at 400V AC and 85kA at 230V AC, ensuring robust fault current interruption. Its fixed three‑pole design with front terminals and compact dimensions makes it ideal for panel builders seeking a reliable and space‑efficient solution. Compliant with IEC 60947‑2 and UL 489 standards, the T5S is suitable for a wide range of industrial and commercial applications worldwide.

  • Electronic LSI Trip Unit: PR221DS‑LSI provides adjustable long‑time, short‑time, and instantaneous protection with a wide setting range for precise coordination and selective protection.

  • Adjustable Overload Protection: Thermal overload release adjustable from 160A to 400A (0.4–1 × In), providing flexible protection for diverse load requirements.

  • High Breaking Capacity: Delivers 85kA Icu at 230V AC, 50kA at 400/415V AC, 40kA at 440V AC, 30kA at 500V AC, and 25kA at 690V AC for reliable fault current interruption.

  • Compact & Robust Design: Space‑saving dimensions of 103.5mm × 140mm × 205mm (D × W × H) with a durable molded case, suitable for panel mounting.

  • Front Terminal Connection: Fixed front‑terminal design (FF) ensures secure and low‑resistance terminations for high‑current wiring.

  • Wide Operating Temperature Range: Reliable performance from ‑25°C to +70°C, suitable for harsh industrial environments.

  • Global Approvals: Certified to IEC 60947‑2, UL 489, CSA, and RoHS compliant, suitable for worldwide applications.

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