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NKK Switches CWSB21AA1F

SWITCH ROCKER DPST 6A 250V

Answer first: this page is a purchasing reference for the exact part number CWSB21AA1F from NKK Switches. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.

Manufacturer: NKK Switches Category: Rocker Switches Part number: CWSB21AA1F Package: RFQ verification required

Key Parameters

Part NumberCWSB21AA1F
ManufacturerNKK Switches
CategoryRocker Switches
seriesCWSB
packagingBulk
product statusActive
param 1Panel Mount, Snap-In
param 2DPST
param 3On-Off
param 46A (AC)
param 5250 V
param 6-
param 7Concave (Curved)
param 8Black
param 9O I
param 10-
param 11-
param 12Quick Connect - 0.187" (4.7mm)
param 13-
param 14Audible Click
param 15Rectangular - 19.20mm x 12.90mm
param 16-10°C ~ 70°C
param 17cULus

Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.

How to Verify CWSB21AA1F Before Ordering

Datasheet and parameter checks

  • Confirm the full manufacturer part number, not only a shortened search keyword.
  • Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
  • Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.

RFQ fields SENICO needs

  • Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
  • State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
  • Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.

For CWSB21AA1F, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.

We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.

Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.