NKK Switches
NKK Switches S821/U SWITCH TOGGLE DPST 30A 125V
Toggle Switch · NKK Switches
MPNS821/U
NKK Switches S821/U SWITCH TOGGLE DPST 30A 125V
- Professional sourcingVetted supply chain with documented traceability
- Genuine partsDocumented traceability on every shipment
- ESD-safe handlingOriginal packaging, moisture controlled
- Worldwide shippingConsolidated freight to 100+ countries
Product Overview
Product narrative for the NKK Switches part S821/U. Read this before you compare alternates or open an RFQ.
NKK Switches S821/U SWITCH TOGGLE DPST 30A 125V
NKK Switches S821/U SWITCH TOGGLE DPST 30A 125V
Design Resources
6 guides related to S821/U and toggle switch topics — background reading before you freeze the schematic.
GUIDELR44 Battery Equivalent Guide for Electronic DevicesRead guide →GUIDEWhat Is an Autopilot Control System? Aircraft Sensors, Actuators, and Flight Control Electronics ExplainedRead guide →GUIDEIndustrial Electronic Components: Types, Applications, and Sourcing GuideRead guide →GUIDECircuit Board Components: A Practical Guide to Identification, Functions, and LabelsRead guide →GUIDERJ11 vs RJ12 vs RJ45: Modular Connector Differences ExplainedRead guide →GUIDEETF0102 vs TXS0102 vs PCA9306: Deep Engineering Comparison of Bidirectional Level Shifter ICsRead guide →
Frequently Asked Questions
3 practical questions buyers ask about S821/U — availability, specs, and how to request a quote.
What is S821/U?
NKK Switches S821/U SWITCH TOGGLE DPST 30A 125V
What type of component is S821/U?
S821/U is a Toggle Switch from NKK Switches.
Is S821/U in stock at MOZ Electronics?
S821/U is listed as in stock. Order online when a price is shown, or submit an RFQ for volume pricing and lead time.
Sourcing desk
Need volume pricing, a specific date code, or an alternative part?
Send us the quantity and target date — a sourcing specialist replies within one business day.