ElectricalBeta
Protection Coordination
Overcurrent protective device coordination study
Beta module: functional, with verification in progress.
Code references
SBC 401— Saudi Electrical Code
Inputs
| Parameter | Unit |
|---|---|
| Bus Fault Current | kA |
| System Voltage | V |
| Upstream Device Type | — |
| Upstream Device Rating | A |
| Downstream Device Type | — |
| Downstream Device Rating | A |
| Downstream Fuse Type | — |
| Conductor Gap | mm |
| Upstream Fuse Type | — |
| Upstream Trip Setting (JSON) | — |
| Downstream Trip Setting (JSON) | — |
Runs in the Insha by Schnell workspace. Verified calculators return explicit pass / fail / warning results with a clause trail.
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Insha by Schnell is in beta. All calculator outputs require review by a licensed SCE-registered engineer before submission to MOMRA, Civil Defense, MODON, the Royal Commission, or site execution.
Frequently asked questions
- What does the Protection Coordination calculator do?
- Overcurrent protective device coordination study. It references SBC 401 (Saudi Electrical Code).
- Which Saudi Building Code references does the Protection Coordination calculator use?
- The Protection Coordination calculator references SBC 401 (Saudi Electrical Code).
- What inputs does the Protection Coordination calculator need?
- The Protection Coordination calculator takes 11 inputs: Bus Fault Current (kA), System Voltage (V), Upstream Device Type, Upstream Device Rating (A), Downstream Device Type, Downstream Device Rating (A), Downstream Fuse Type, Conductor Gap (mm), Upstream Fuse Type, Upstream Trip Setting (JSON), Downstream Trip Setting (JSON).
- Is the Protection Coordination calculator verified?
- Protection Coordination is a beta module. It works, but verification is still in progress. Its results carry documented limitations and require review by a licensed SCE-registered engineer before submission or site execution.