ABB 1SDA074656R1 Moulded Case Breaker - UL/CSA
Part Number: 1SDA074656R1
Quick Summary
ABB 1SDA074656R1 moulded case breaker provides reliable overcurrent protection for industrial power distribution across motor and process panels. In tight control rooms or crowded switchboards, front-terminal access and a compact 4-pole design reduce installation time and wiring errors. This XT1 family device meets UL489 and CSA safety requirements, carries CE conformity, and is documented with End-Of-Life disassembly instructions to support serviceability. By aligning with ABB EcoSolutions, the unit supports waste reduction, recycling, and responsible end-of-life management, helping facilities meet corporate sustainability targets. For procurement teams, this means predictable lead times, straightforward spares planning, and robust protection for critical loads in energy-intensive environments.
Product Information
Extended Description
1SDA074656R1 ABB: C.BREAKER TMAX XT1N 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 XT1
Environmental Product Declaration - EPD
EPD Tmax XT XT1 (IT)
Recyclability Rate of the Product acc. to EN45555
Design for Closing Resource Loops - Standard EN45555 - 55.9 %
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
XT1NU4050AFF000XXX
EAN
8015644786335
Minimum Order Quantity
1 piece
Customs Tariff Number
85362090
Product Net Width
101.6 mm
Product Net Height
130 mm
Product Net Depth / Length
70 mm
Product Net Weight
1.4 kg
Package Level 1 Units
box 1 piece
Package Level 1 Width
128 mm
Package Level 1 Height
135 mm
Package Level 1 Depth / Length
143 mm
Package Level 1 Gross Weight
1.4 kg
Package Level 1 EAN
8015644786335
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
XT1 4p FIXED F
Connecting Capacity Main Circuit
Busbar 45.5 ... 80 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 3.7 W
Rated Current (In)
50 A
Rated Instantaneous Short-Circuit Current Setting (Ii)
600 A
Rated Operational Voltage
600Y/347 V AC | 500 V DC
Rated Uninterrupted Current (Iu)
125 A
Rated Voltage (Ur)
600Y/347 V
Recommended Screw Driver
Main Circuit M6
Release
TMF
Release Type
TM
Setting Range
50 A
Short-Circuit Performance Level
N
Standards
UL489
Sub-type
XT1
Terminal Connection Type
Front
Terminal Type
Bolt
Tightening Torque
6 N·m
Interrupting Rating acc. to UL489
(240 V AC) 50 kA | (480 V AC) 25 kA | (600Y / 347 V AC) 18 kA | (250 V DC) 2 Poles in Series 35 kA | (500 V DC) 4 Poles in Series Kind 35 kA
ATEX Certificate
No certification needed
CSA Certificate (Intrinsic Safe)
9AKK10103A3905
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 XT1
UL Certificate
1SDL000163R0111
VDE Certificate
No certification needed
Dimension Diagram
XT1 3p-4p fixed front terminals
Mechanical Drawings
XT1 3p-4p fixed front terminals
Wiring Diagram
Circuit diagram for XT1, XT2, XT3 and XT4
Instructions and Manuals
Installation instructions XT1 UL
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: Front-terminal four-pole XT1 design with TMF release enables safe, accessible wiring and rapid fault isolation. Business Impact: Reduces installation time and wiring errors while improving on-site safety during maintenance. Application: Suitable for dense control panels and motor feeder circuits in manufacturing and process automation. Feature: Rated current 50 A, rated voltage 600Y/347 V AC, and 125 A Iu with a 50 A setting range offer precise protection for critical loads. Business Impact: Optimizes protection coordination and minimizes nuisance tripping, lowering downtime. Application: Power distribution bars and downstream feeders in industrial plants. Feature: Power loss of 3.7 W per pole and a tightening torque of 6 N·m provide energy-efficient operation and dependable installation. Business Impact: Lower operating costs and consistent mechanical integrity over time. Application: All high-demand MCCB installations in energy-conscious facilities. Feature: Busbar connection accommodates 45.5–80 mm² sections with front bolt terminals and M6 screwdriver requirements. Business Impact: Streamlined wiring and universal compatibility with common busbar systems. Application: New builds and retrofit projects in switchgear assemblies. Feature: UL489, CSA, and CE compliance plus end-of-life and recyclability documentation. Business Impact: Simplified regulatory adherence, safer disposal, and easier supplier audits. Application: Industrial panels requiring formal certifications and sustainability reporting. Feature: ABB EcoSolutions integration and 55.9% recyclability per EN45555. Business Impact: Supports corporate ESG targets and reduces total lifecycle cost. Application: Facilities with sustainability mandates and environmental reporting needs.
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FAQs
This MCCB uses front terminal bolt connections designed for busbars 45.5–80 mm², with a tightening torque of 6 N·m and required M6 main-circuit screwdriver. Dimensions are 101.6 mm width, 130 mm height, 70 mm depth, and weight about 1.4 kg. Plan for accessible front clearance and proper enclosure routing to maintain front access for maintenance.
The device provides 50 A rated current with a 600Y/347 V AC plus 500 V DC operating range, 125 A rated uninterrupted current, and a 4P configuration. It features a TMF release, 600 A rated short-circuit current setting, and 3.7 W power loss per pole. It supports busbar connections from 45.5 to 80 mm² and front terminal wiring with a 6 N·m torque.
Yes. The MCCB carries UL489 and CSA certifications, with a CE declaration of conformity. Additional compliance includes RoHS and REACH declarations, end-of-life disassembly instructions, and access to ABB EcoSolutions documentation, supporting safe disposal, recyclability, and regulatory audits in global operations.
Ideal for motor feeders, power distribution panels, and process automation in industrial environments. The 4P configuration provides comprehensive protection for 3-phase systems with a neutral, and front-terminal design simplifies retrofits and upgrades in compact switchgear and control panels.
Lifecycle support includes disassembly instructions for Tmax XT XT1 and an Environmental Product Declaration. ABB provides recycling guidance and a 55.9% recyclability rate per EN45555, along with CMRT and TSCA declarations, helping you meet sustainability targets and reduce total cost of ownership through responsible end-of-life practices.