ABB XT3S 250 TMD 250-2500 FF 3P SACE Tmax XT Molded Case Circuit Breaker – 250A, 3-Pole, 50kA @ 415V, Thermal-Magnetic Release Supplier | SIMPLYBUY
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ABB XT3S 250 TMD 250-2500 FF 3P SACE Tmax XT Molded Case Circuit Breaker – 250A, 3-Pole, 50kA @ 415V, Thermal-Magnetic Release
ABB XT3S 250 TMD 250-2500 FF 3P SACE Tmax XT Molded Case Circuit Breaker – 250A, 3-Pole, 50kA @ 415V, Thermal-Magnetic Release - Image 2
ABB XT3S 250 TMD 250-2500 FF 3P SACE Tmax XT Molded Case Circuit Breaker – 250A, 3-Pole, 50kA @ 415V, Thermal-Magnetic Release - Image 3

ABB XT3S 250 TMD 250-2500 FF 3P SACE Tmax XT Molded Case Circuit Breaker – 250A, 3-Pole, 50kA @ 415V, Thermal-Magnetic Release

ParameterValue
Product TypeMolded Case Circuit Breaker (MCCB)
Series / BrandSACE Tmax XT / XT3S – ABB
Model NumberXT3S 250 TMD 250-2500 FF 3P
Order Number1SDA068221R1
EAN Code8015644021276
Frame Size (Iu)250 A
Number of Poles3-pole
Rated Current (In)250 A
Overload Protection Setting (Ir)175…250 A (adjustable, 0.7–1 × In)
Magnetic Short-Circuit Protection (Im)1250…2500 A (adjustable, 5–10 × In)
Trip Unit TypeTMD (Thermal-Magnetic, adjustable)
Rated Operational Voltage (Ue)690 V AC / 500 V DC
Rated Insulation Voltage (Ui)800 V
Rated Impulse Withstand Voltage (Uimp)8 kV
Breaking Capacity (Icu) @ 415 V AC50 kA
Breaking Capacity (Icu) @ 440 V AC40 kA
Breaking Capacity (Icu) @ 690 V AC8 kA
Service Breaking Capacity (Ics) @ 415 V AC27 kA
Service Breaking Capacity (Ics) @ 440 V AC20 kA
Service Breaking Capacity (Ics) @ 690 V AC4 kA
Utilisation CategoryA (IEC 60947-2)
Suitable for IsolationYes
Connection TypeFront terminals (fixed)
MountingFixed (built-in device)
Dimensions (W × H × D)105 mm × 150 mm × 70 mm
Net WeightApprox. 1.632 kg
Gross Weight (Package)Approx. 1.71 kg
Rated Thermal Current (Ith)250 A
Frequency50/60 Hz
Standards & CertificationsIEC 60947-2 (2009-05); LOVAG Certificate No. IT 10.138
Country of OriginItaly
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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 XT3S 250 TMD 250-2500 FF 3P SACE Tmax XT Molded Case Circuit Breaker – 250A, 3-Pole, 50kA @ 415V, Thermal-Magnetic Release

Manufacturer: ABB
Model: XT3S 250 TMD 250-2500 FF 3P
Order Number: 1SDA068221R1
Type: Molded Case Circuit Breaker (MCCB)
Series: SACE Tmax XT / XT3S
Frame Size: 250 AF (Iu = 250A)
Rated Current (In): 250A
Number of Poles: 3-pole
Trip Unit: TMD (Thermal-Magnetic, adjustable)
Breaking Capacity (Icu @ 415V): 50kA
Mounting: Fixed, front terminals

The ABB XT3S 250 TMD 250-2500 FF 3P is a compact and high-performance molded case circuit breaker from the SACE Tmax XT series, designed for reliable protection and control in industrial and commercial power distribution systems. With a 250A frame and a thermal-magnetic trip unit providing adjustable overload protection (175–250A) and adjustable magnetic short-circuit protection (1250–2500A), it offers precise coordination and flexible protection settings. The breaker delivers an ultimate breaking capacity of 50kA at 415V AC and 8kA at 690V AC, ensuring robust fault current interruption. Its fixed three-pole design with front terminals and compact dimensions (105mm W × 150mm H × 70mm D) make it ideal for panel builders seeking a space-efficient, high-reliability solution. Certified to IEC 60947-2 and carrying LOVAG certification (Certificate No. IT 10.138), the XT3S is suitable for a wide range of industrial and infrastructure applications worldwide.[reference:0][reference:1]

  • Adjustable Thermal-Magnetic Trip Unit (TMD): Thermal overload protection adjustable from 175A to 250A (0.7–1 × In) and magnetic short-circuit protection adjustable from 1250A to 2500A (5–10 × In), providing precise coordination and flexible protection settings.[reference:2]

  • High Breaking Capacity: Delivers 50kA Icu at 415V AC, 40kA at 440V AC, and 8kA at 690V AC, with service breaking capacity (Ics) of 27kA at 415V AC, for reliable fault current interruption across diverse voltage levels.[reference:3]

  • Compact & Robust Design: Space-saving dimensions of 105mm × 150mm × 70mm (W × H × D) with a durable molded case, suitable for panel mounting in space-constrained enclosures.[reference:4]

  • Front Terminals (FF): Fixed front-terminal design ensures secure and low-resistance terminations for high-current wiring, simplifying installation within switchboards and distribution panels.

  • High Mechanical & Electrical Durability: Designed for reliable operation in demanding industrial environments with a robust molded case construction and long service life.

  • Wide Operating Voltage Range: Rated for operation on systems up to 690V AC and 500V DC, suitable for global industrial and infrastructure applications.[reference:5]

  • Global Approvals & LOVAG Certification: Certified to IEC 60947-2 and carrying LOVAG Certificate No. IT 10.138, with utilization category A and suitable for isolation, ensuring worldwide acceptance.[reference:6]

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