SACE FORMULA DSA
SACE FORMULA DSA delivers proven ABB SACE protection performance in a simplified, installation-ready format. Designed for power distribution and motor protection in industrial, commercial, and OEM applications, it combines a compact footprint, straightforward product selection, and a rich accessory ecosystem — making it the right choice for panel builders and installers who demand reliability without complexity.
RELIABLE CIRCUIT PROTECTION FOR MODERN POWER DISTRIBUTION
SACE FORMULA DSA is a range of low voltage molded-case circuit breakers available from 15 A to 630 A across four frame sizes — A0, A1, A2, and A3. Built on ABB SACE's extensive expertise in circuit breaker development, the range provides reliable overload and short-circuit protection for power distribution networks and motor protection applications in industrial, commercial, and OEM environments. A fixed thermal-magnetic trip unit, reduced product codes, and ultra-compact dimensions make selection, ordering, and installation fast and straightforward.
PRODUCT OFFERING
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Formula DSA IEC
SACE Formula DSA IEC molded case circuit breakers deliver reliable protection for industrial, commercial, and OEM environments globally. With four frame sizes (A0, A1, A2, A3), current ratings from 15 A to 630 A, and breaking capacities up to 50 kA, the IEC version combines simplicity of selection with high performance for diverse power distribution and motor protection applications. Fixed thermal-magnetic or specialized electronic trip units ensure dependable protection with minimal configuration complexity. Full compliance with IEC 60947-2 standards.
Key Technical Specifications
- Current range: 15 A – 630 A
- Frames: A0, A1, A2, A3
- Breaking capacity: up to 50 kA at 415 V AC
- Poles: 1-, 2-, 3-, 4-pole configurations
- Depth: 60 mm (A0–A2) / 103.5 mm (A3)
- Rated service voltage: up to 550 V AC
- Trip units: TMF, ELT LI, MF, ELT I (frame-dependent)
- Full current at 50 °C – no derating required (A0–A2)
- Compliance: IEC 60947-2
Formula DSA UL/CSA
SACE Formula DSA UL/CSA molded case circuit breakers meet the stringent certification requirements of North American electrical standards. Available in frames A1 and A2 with current ratings up to 250 A, these compact circuit breakers deliver 25 kA breaking capacity and simplified ordering through fixed thermal-magnetic trip units. Engineered specifically for OEMs, panel builders, and facilities requiring UL 489 and CSA C22.2 compliance. Ultra-compact 60 mm depth maximizes switchboard space utilization.
Key Technical Specifications
- Current range: 15 A – 250 A
- Frames: A1, A2
- Breaking capacity: 25 kA at 240 V AC
- Poles: 1-, 2-, 3-pole configurations
- Depth: 60 mm (2.36 in) – compact for all models
- Rated service voltage: up to 240 V AC
- Trip unit: TMF (thermal-magnetic, fixed thresholds)
- Full current at 50 °C – no derating required
- Compliance: UL 489 · CSA C22.2
PRODUCT BENEFITS
Simplified selection and faster ordering
<p>A reduced number of product codes and fixed trip thresholds mean engineers and buyers can specify and order the right circuit breaker quickly, without complex configuration processes.</p>Ultra-compact installation
<p>With a depth of only 60 mm for frames A0, A1, and A2 — and 103.5 mm for A3 — SACE FORMULA DSA maximizes usable space inside switchboards and panels, a key advantage for OEMs, panel builders, and installers working with space-constrained enclosures.</p>Full performance at 50° C, no derating required
<p>SACE FORMULA DSA A0, A1, and A2 up to 250 A are designed to deliver 100% rated current at 50°C without performance derating, ensuring reliable operation in warm environments without oversizing. </p>Flexible installation in any orientation
<p>The circuit breakers can be mounted horizontally, vertically, or lying down without any derating of rated characteristics, supporting a wider range of panel layouts and installation scenarios.</p>Broad protection across AC and DC networks
<p>The fixed thermal-magnetic trip unit (TMF) provides reliable overload and short-circuit protection for both AC and DC networks across all frame sizes, while the ELT LI electronic trip unit on A3 delivers temperature-independent, precise protection for demanding AC applications.</p>Extensive accessory ecosystem for tailored solutions
<p>A comprehensive range of field-installable accessories — including rotary handles, auxiliary contacts, shunt and undervoltage releases, terminal covers, phase separators, padlocks, and key locks — allows SACE FORMULA DSA to be configured for virtually any application requirement. </p>TECHNICAL SPECIFICATIONS
Standard IEC 60947-2 / UL 489 / CSA C22.2 depending on version
<p>Certified solutions for international low-voltage distribution and machine-building applications. </p>Current range 15 A to 630 A
<p>Four IEC frame sizes (A0, A1, A2, A3) and UL/CSA versions up to 250 A.</p>Breaking capacity Up to 50 kA at 415 V AC (IEC)
<p>High-performance short-circuit protection, with UL/CSA versions rated up to 25 kA at 240 V AC. </p>System voltages Up to 690 V AC
<p>Designed for low-voltage AC distribution, with selected versions also suitable for DC applications. </p>Trip units Thermal-magnetic, electronic, and magnetic-only
<p>A comprehensive range of protection options, including TMF, ELT LI, ELT I, and MF trip units for distribution and motor protection. </p>Configurations 1-, 2-, 3-, and 4-pole (depending on frame)
<p>Compact fixed circuit breakers with multiple pole configurations for panel builders, OEMs, and industrial installations. </p>FREQUENTLY ASKED QUESTIONS
The SACE FORMULA DSA range reaches up to 630 A (IEC version, frame A3). The UL/CSA version covers up to 250 A.
Yes. SACE FORMULA DSA A0, A1, and A2 up to 250 A (with the exception of A1 125 A) are designed to carry 100% rated current at 50 °C without tripping under normal conditions.
Yes. The range is designed for both power distribution networks and motor protection applications, supported by thermal-magnetic (TMF) and electronic (ELT LI) trip units depending on the frame and version. For motor protection applications magnetic only (MF ) and specific electronic trip unit (ELT I) are available.
SACE FORMULA DSA can be installed horizontally, vertically, or in a lying-down position without any derating of its rated characteristics.
Frames A0, A1, and A2 can be mounted directly on the back plate of cubicles, on a DIN rail (EN 50022), or on the back door. Frame A3 supports back plate and back door mounting.
Yes. All SACE FORMULA DSA accessories — including rotary handles, auxiliary contacts, shunt opening releases, undervoltage releases, terminal covers, phase separators, and locking devices — are sold separately and designed for field installation.