Breaker Decoders

Enter a catalog or edge-stamped number to instantly decode frame size, ampere rating, trip unit, mounting, and accessories.

Built for engineers, plant and facility managers, electricians and field-service technicians identifying obsolete or end-of-life gear during an outage or a planned shutdown.

Eaton / Cutler-Hammer

5 tools

Magnum DS (MDS) / SBS Decoder

Decode Magnum DS (MDS) and SBS-series catalog numbers. Identifies frame, rating, interrupting capacity, trip unit type, and mounting.

Frames: Magnum DS (MDS) · SBSRatings: 800A – 6,000A

Magnum MW (IEC) Decoder

Decode IEC 60947-2 Magnum MW catalog numbers. Supports 49 ampere ratings with fixed/draw-out mounting and motorized/manual operation.

Frames: Magnum MW (IEC)Ratings: 800A – 6,300A

Magnum PXR / Power Defense SB Decoder

Decode 25-character Magnum PXR and 15-character Power Defense SB catalog numbers. Identifies frame size, ampere rating, trip unit, and accessories.

Frames: Magnum DS (PXR) · Power Defense SBRatings: 800A – 6,000A

RD (R-Frame) Decoder

Decode RD-series R-Frame catalog numbers including factory-installed accessories. Parses post-W accessory groups (S/U/T/A/B/Q/N).

Frames: RD / R-FrameRatings: 400A – 2,000A

SPB

Availability & Quote

Looking for an Eaton SPB (Systems Pow-R)? Get SPB availability and a quote — our team identifies your SPB-50 / 65 / 100 and sources the new-surplus or reconditioned replacement.

Frames: SPB 50 / SPB 65 / SPB 100Ratings: 800A – 4,000A

Siemens

2 tools

RL Decoder

Decode Siemens RL 600V Low Voltage Power Circuit Breaker catalog numbers. Identifies connection, interrupting type, frame, sensors, system wiring, trip unit, and optional devices.

Frames: RL / RLE / RLI / RLFRatings: 800A – 5,000A

WL (Sentron WL) Decoder

Decode Siemens WL (Sentron WL) catalog numbers under both UL 489 and UL 1066 / ANSI C37. Identifies interrupting class, frame size, mounting, poles, ampere rating, rating plug, ETU745 / ETU776 trip unit, and every factory accessory digit.

Frames: Frame Size 1 / 2 / 3 (UL 489 · UL 1066)Ratings: 800A – 6,000A

General Electric

1 tool

WavePro Decoder

Decode GE WavePro low-voltage power air circuit breaker catalog numbers. Identifies equipment usage, interrupting/fuse rating, frame & sensor, MVT / Power+ trip unit, trip function, rating plug, operation voltages, and mounted accessories.

Frames: WavePro (AKD-10 / PowerBreak II)Ratings: 800A – 5,000A

Square D / Schneider Electric

1 tool

MasterPact NT / NW Decoder

Decode Square D / Schneider MasterPact NT and NW catalog numbers. Identifies frame construction (T/W/Y), ampere rating, interrupting class, device type, sensor plugs, and Micrologic trip unit.

Frames: NT (T-frame) · NW (W / Y-frame)Ratings: 800A – 6,300A

Working somewhere without a signal?

Every decoder above also runs offline from a local folder — decoding, the position map, copy and PDF export all work with no connection.

Open the Offline Kit

Need help identifying a breaker?

If you can't decode your model number with these tools, our team can help. Send us the catalog number or nameplate photo and we'll identify it for you.

Contact Our Team