ABB 1SDA074809R1 Moulded Case Circuit Breaker - UL/CSA
Part Number: 1SDA074809R1
Quick Summary
ABB 1SDA074809R1 is a moulded case circuit breaker that protects industrial power distribution panels with reliable, front-terminal protection. In dense electrical cabinets, unpredictable trips and inconsistent protection can disrupt production and increase risk; this device helps reduce nuisance trips and downtime by delivering precise TMF protection for 50 A nominal load. It carries UL489 and CSA certifications with a CE conformity declaration, signaling strong regulatory compliance. The XT2 family compatibility ensures seamless integration in SACE Tmax XT installations, while the 4-pole 600 V class and front-terminal design support fast, safe maintenance and scalable panel protection in modern automation environments.
Product Information
Extended Description
1SDA074809R1 ABB: C.BREAKER TMAX XT2H 125 UL/CSA FIXED FOUR-POLE WITH FRONT TERMINALS AND THERMOMAGNETIC RELEASE TMF R 50-500 A
ABB EcoSolutions
Yes
ABB Site Meeting Group Waste To Landfill Target
UL 2799 Zero Waste To Landfill Validation available
End Of Life Disassembling Instructions
Disassembly instructions Tmax XT XT2 TM
Environmental Product Declaration - EPD
EPD Tmax XT XT2 TM (IT)
Recyclability Rate of the Product acc. to EN45555
Design for Closing Resource Loops - Standard EN45555 - 55.70 %
REACH Declaration
REACh Declaration ABB Sace circuit breakers
RoHS Information
RoHS Declaration ABB Sace circuit breakers
RoHS Status
Following EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019
Conflict Minerals Reporting Template (CMRT)
CMRT - Conflict Minerals Reporting Template
Toxic Substances Control Act - TSCA
Toxic Substances Control Act (TSCA) declaration
Environmental Information
Breakers - Packaging disposal information
Order Code US and Canada
XT2HU4050AFF000XXX
EAN
8015644787868
Minimum Order Quantity
1 piece
Customs Tariff Number
85362090
Product Net Width
120 mm
Product Net Height
130 mm
Product Net Depth / Length
82.5 mm
Product Net Weight
1.45 kg
Package Level 1 Units
box 1 piece
Package Level 1 Width
131 mm
Package Level 1 Height
212 mm
Package Level 1 Depth / Length
147 mm
Package Level 1 Gross Weight
1.55 kg
Package Level 1 EAN
8015644787868
Circuit Breaker Type to be Associated
Power Distribution
Product Main Type
SACE Tmax XT
Product Name
Moulded Case Circuit Breaker
Product Type
Automatic Circuit Breaker
Suitable for Product Class
SACE Tmax XT
Version
F
CAD Dimensional Drawing
XT2 4p FIXED F
Connecting Capacity Main Circuit
Busbar 32.5..100 mm²
Current Type
AC/DC
Electrical Durability
120 cycles per hour | 8000 cycle
Mechanical Durability
240 cycles per hour | 25000 cycle
Number of Poles
4P
Opening Time
CB with SOR 30 ms | CB with UVR 30 ms
Order Multiple
1 piece
Power Loss
at Rated Operating Conditions per Pole 4.1 W
Rated Current (In)
50 A
Rated Instantaneous Short-Circuit Current Setting (Ii)
500 A
Rated Operational Voltage
600 V AC | 500 V DC
Rated Uninterrupted Current (Iu)
125 A
Rated Voltage (Ur)
600 V
Recommended Screw Driver
Main Circuit M6
Release
TMF
Release Type
TM
Setting Range
50 A
Short-Circuit Performance Level
H
Standards
UL489
Sub-type
XT2
Terminal Connection Type
Front
Terminal Type
Bolt
Tightening Torque
6 N·m
Interrupting Rating acc. to UL489
(240 V AC) 150 kA | (480 V AC) 65 kA | (600 V AC) 25 kA | (250 V DC) 2 Poles in Series 65 kA | (500 V DC) 3 Poles in Series 65 kA
ATEX Certificate
No certification needed
CSA Certificate (Intrinsic Safe)
9AKK10103A3906
Data Sheet, Technical Information
SACE Tmax XT UL/CSA Low voltage molded case circuit-breakers UL489 and CSA CS22.2 Standards Catalog | SACE Tmax XT UL/CSA TECHNICAL CHARACTERISTICS Low voltage molded case circuit-breakers for UL489 and CSA CS22.2 Standards
Declaration of Conformity - CE
EC Declaration of Conformity Tmax XT2
UL Certificate
1SDL000163R0112
VDE Certificate
No certification needed
Dimension Diagram
XT2 3p-4p fixed front terminals
Mechanical Drawings
XT2 3p-4p fixed front terminals
Wiring Diagram
Circuit diagram for XT1, XT2, XT3 and XT4
Instructions and Manuals
Installation instructions XT2 UL | Release assembly XT2-XT4
ETIM 8
EC000228 - Power circuit-breaker for trafo/generator/installation protection
ETIM 9
EC000228 - Power circuit-breaker for trafo/generator/installation protection
IDEA Granular Category Code (IGCC)
4927 >> Molded case circuit breakers
Object Classification Code
Q
UNSPSC
39121616
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
eClass
V11.1 : 27370409
Feature → Business Impact → Application: Four-pole XT2 topology delivers synchronized protection across all phases, reducing cross-channel faults and improving overall system reliability in motor control centers. This translates to lower downtime and fewer unscheduled shutdowns in packaging, plastics, and metalworking lines. Application-ready with front terminals and bolt connections, installers save time during cabinet wiring and commissioning, especially in retrofit projects where space and accessibility are tight. Feature → Business Impact → Application: TMF thermomagnetic release enables rapid, predictable responses to short circuits and overloads, minimizing thermal stress on downstream equipment and extending motor life in pumps and fans. Application: distribution boards and transformer feeders requiring robust UL489/CSA-compliant protection. Feature → Business Impact → Application: Busbar connections for 32.5–100 mm² sections and a 6 N·m tightening torque support secure, vibration-tolerant installations in harsh environments. Application: metal enclosures in process lines with frequent vibration. Feature → Business Impact → Application: 600 V AC / 500 V DC rated operation offers broad compatibility with mixed supply systems found in industrial plants, enabling a single protection device across upstream feeders and downstream loads. Application: DC bus charging stations and mixed AC/DC panels. Feature → Business Impact → Application: 50 A main current with a 125 A Iu and 500 A Ii rating provides selective protection without unnecessary tripping, improving uptime for critical loads like CNC machines and robotics. Application: panel feeders and power distribution units. Feature → Business Impact → Application: Front-terminal, 4P design with M6 screwdriver guidance simplifies installation and service, reducing commissioning time and maintenance costs in large switchgear assemblies. Application: control panels with limited access or modular expansion. Feature → Business Impact → Application: RoHS, REACH, CMRT and EPD disclosures support compliance-heavy programs and end-of-life planning, enabling manufacturers to meet sustainability targets and customer procurement requirements. Application: aerospace, automotive, and heavy industry OEMs pursuing responsible supply chains.
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FAQs
For reliable installation, use front-terminal bolt connections designed for 4P configurations. Connect busbars within 32.5 to 100 mm² and tighten to 6 N·m. Use a Main Circuit M6 screwdriver as recommended. The unit supports 600 V AC / 500 V DC and is compatible with SACE Tmax XT panels, enabling straightforward upgrades and retrofit projects without extensive rewiring.
Key specs include 4P XT2 topology, rated current I n of 50 A, rated instantaneous short-circuit current Ii of 500 A, and rated operational voltage of 600 V AC / 500 V DC. It offers electrical durability up to 8000 cycles and mechanical durability up to 25000 cycles, with a TMF release for reliable overcurrent protection in industrial environments.
Yes. The unit is designed for transformer feeders and general power distribution in panels, providing UL489/CSA-compliant protection. Its 4-pole, front-terminal design and 600 V class support safe integration into distribution boards, switchgear, and motor control centers, offering selective protection with a predictable response to overloads and short circuits.
The device carries UL Certificate 1SDL000163R0112, CSA Certificate 9AKK10103A3906, and CE Declaration of Conformity. Additional compliance data include RoHS and REACH declarations, CMRT reporting, and environmental disclosures such as EPD and recyclability metrics to support sustainability programs.
ROI benefits come from reduced nuisance tripping, lower maintenance and wiring time due to front-terminal design, and extended equipment life from TMF protection. The device supports energy-efficient operation with defined power loss per pole (4.1 W) and scalable protection for panels, motors, and automation equipment, improving uptime and overall lifecycle costs in manufacturing environments.