NKK Switches Toggle Switch, Panel Mount, On-Off, DPST, Screw Terminal, 250V ac
- RS Stock No.:
- 181-3650
- Mfr. Part No.:
- S421T
- Brand:
- NKK Switches
Bulk discount available
Subtotal (1 unit)*
£15.22
(exc. VAT)
£18.26
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 19 unit(s) ready to ship
- Plus 16 unit(s) shipping from 08 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 - 4 | £15.22 |
| 5 - 49 | £14.67 |
| 50 + | £14.20 |
*price indicative
- RS Stock No.:
- 181-3650
- Mfr. Part No.:
- S421T
- Brand:
- NKK Switches
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | NKK Switches | |
| Contact Configuration | DPST | |
| Switch Operation | On-Off | |
| Contact Current Rating | 20 A | |
| Mounting Type | Panel Mount | |
| Terminal Type | Screw | |
| Illuminated | No | |
| Panel Cut Out Diameter | 12.5mm | |
| Actuator Length | 17.5mm | |
| Actuator Material | Chrome Plated Brass | |
| Voltage Rating | 250V ac | |
| Contact Material | Silver Alloy (Movable & Stationary) | |
| Contact Resistance | 10mΩ | |
| Mechanical Life | 50000Operations | |
| Operating Temperature Range | -10 → +70°C | |
| Maximum Operating Temperature | +70°C | |
| Standards Met | CSA, UL | |
| Minimum Operating Temperature | -10°C | |
Select all | ||
|---|---|---|
Brand NKK Switches | ||
Contact Configuration DPST | ||
Switch Operation On-Off | ||
Contact Current Rating 20 A | ||
Mounting Type Panel Mount | ||
Terminal Type Screw | ||
Illuminated No | ||
Panel Cut Out Diameter 12.5mm | ||
Actuator Length 17.5mm | ||
Actuator Material Chrome Plated Brass | ||
Voltage Rating 250V ac | ||
Contact Material Silver Alloy (Movable & Stationary) | ||
Contact Resistance 10mΩ | ||
Mechanical Life 50000Operations | ||
Operating Temperature Range -10 → +70°C | ||
Maximum Operating Temperature +70°C | ||
Standards Met CSA, UL | ||
Minimum Operating Temperature -10°C | ||
- COO (Country of Origin):
- PH
NKK's full line of toggles features both PC board and panel mounting options available with a full array of actuator options and terminations to meet virtually any application. Subminiature and ultra-miniature to dual seal waterproof and high-capacity toggle switches are offered. Matching indicators are available. Designed to perform and withstand extreme environments for critical applications such as construction equipment, transportation, and medical equipment. Our waterproof toggle switch is great for marine applications.
Medium/High Capacity Standard Size Toggles
5A-50A
Bushing mount or mounting screws.
Available in solder lug, screw lug or quick connect terminals.
Bushing mount or mounting screws.
Available in solder lug, screw lug or quick connect terminals.
Related links
- NKK Switches Toggle Switch On-On Screw Terminal, 250V ac
- NKK Switches Toggle Switch (On)-Off-(On) Screw Terminal 250V ac
- NKK Switches Toggle Switch On-Off-On Solder Terminal, 250V ac
- NKK Switches Toggle Switch On-(On) Solder Terminal, 250V ac
- NKK Switches Toggle Switch On-Off Solder Terminal, 250V ac
- NKK Switches Toggle Switch On-Off Screw Terminal 250V ac
- NKK Switches Toggle Switch On-Off Screw Terminal 125V ac
- NKK Switches Toggle Switch On-Off-On Solder Terminal 250V ac