NKK Switches SB Series Push Button Switch, Off-On, 12.5 mm Cutout, SPST 125 V ac
- RS Stock No.:
- 181-7179
- Mfr. Part No.:
- SB221TNO
- Manufacturer:
- NKK Switches
Bulk discount available
Subtotal (1 unit)*
HK$59.00
FREE delivery for orders over HK$250.00
In Stock
- 3 unit(s) ready to ship from another location
- Plus 12 unit(s) shipping from 06 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 - 4 | HK$59.00 |
| 5 - 49 | HK$56.70 |
| 50 + | HK$54.40 |
*price indicative
- RS Stock No.:
- 181-7179
- Mfr. Part No.:
- SB221TNO
- Manufacturer:
- NKK Switches
Specifications
Product overview and Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | NKK Switches | |
| Product Type | Push Button Switch | |
| Actuator Colour | Black | |
| Switch Operation | Off-On | |
| Illuminated | No | |
| Panel Cutout Size | 12.5 mm | |
| Series | SB | |
| Mount Type | Center | |
| Contact Configuration | SPST | |
| Contact AC Voltage | 125V ac | |
| Actuator Style | Round | |
| Minimum Operating Temperature | -10°C | |
| Maximum Operating Temperature | 70°C | |
| Switch Configuration | Off-On | |
| Switch Contact Current | 3 A | |
| Standards/Approvals | UL, RoHS, CSA | |
| Select all | ||
|---|---|---|
Brand NKK Switches | ||
Product Type Push Button Switch | ||
Actuator Colour Black | ||
Switch Operation Off-On | ||
Illuminated No | ||
Panel Cutout Size 12.5 mm | ||
Series SB | ||
Mount Type Center | ||
Contact Configuration SPST | ||
Contact AC Voltage 125V ac | ||
Actuator Style Round | ||
Minimum Operating Temperature -10°C | ||
Maximum Operating Temperature 70°C | ||
Switch Configuration Off-On | ||
Switch Contact Current 3 A | ||
Standards/Approvals UL, RoHS, CSA | ||
- COO (Country of Origin):
- PH
3A to 15A Power Level, Bushing Mount
SB Series pushbutton switches are low and medium capacity and include alternate, momentary push-push action, and push-turn-lock models.
Constructed of high-performance materials, including zinc-plated steel mounting plates.
Single and double pole devices are available.
Related links
- NKK Switches SB Series Push Button Switch Center SPST 125 V
- NKK Switches SB Series Push Button Switch Center SPST-NC 125 V
- NKK Switches SB Series Push Button Switch Bush SPST 250 V
- NKK Switches SB Series Push Button Switch Panel 500 V 125 V
- NKK Switches WB Series Push Button Switch Panel SPDT 30 V 250 V
- NKK Switches WB Series Push Button Switch Panel SPDT 30 V 250 V
- C & K F Series Push Button Switch Momentary 12.5 mm Cutout 30 V 125 V
- NKK Switches Black Flat Button Tactile Switch, SPST 125 mA 0.8mm Surface Mount