22mm Momentary NC Push Button Switch
Momentary NC Push Button Switch Product Description:
This momentary NC push button switch is widely used in control panels, automation machines, and electrical cabinets. Featuring a mushroom head and normally closed contact, it provides reliable emergency-stop functionality and fast resetting.
B5 series momentary push button switch products and accessories show:
Momentary NC Push Button Switch Features:
Ergonomic design ensures comfortable pressing and smooth switching action.
Clear function identification via symbol or color marking.
Built-in auto-grounding feature for enhanced safety.
Finger protection design to prevent accidental electric shock.
Minimal front-panel footprint for compact installations.
Ultra-shallow installation depth saves enclosure space.
Modular base cassette enables quick installation.
Tool-free mounting and wiring.
Secure and reliable connection under vibration or repeated use.
Customizable and durable marking cards allow clear identification of each button’s function, enhancing user recognition and operational clarity.
Label Can arbitrarily make to order according to the demand
Choice:
Size
Shape
Clolor
Words
B5 series parts material description：
| Models | Head | Middle seat | Contact points | Switch housing |
| LA167-B5-APlastic series | Nylon | Nylon | Silver alloy | Nylon |
Key Technical Specifications – Momentary NC Push Button
| Nominal insulation voltage Ui（V） | 690 | ||||
| Free air heating current is specified Ith（A） | 10 | ||||
| Rated operational voltage Ue（V） | – | 380 | 250 | 240 | 150 |
| Rated operational current Le（A） | AC-15 | 2.5 | – | 3 | – |
| DC-13 | – | 0.27 | – | 0.55 | |
PROPERTIES:
| Environment | |
| Standardize | GB 14048.5-2008 、IEC 60947-5-1 |
| Environmental temperature | -25℃ ~+55℃ |
| Vibration resistance | ＜ 500Hz，amplitude about 1.0mm |
| shock resistance | ≥ 10g |
| IP Grade | IP40 ,Can do IP65 |
LED Ttype:
| Lamp type | VLED | ||
| Rated voltage | AC/DC 6V | AC/DC 12V | AC/DC 24V、36V、48V |
| AC/DC 110V | AC/DC 220V | AC 380V | |
| Life of tamps | ≥ 50,000 hours | ||
| Color | White Green Red Yellow Blue | ||
| Voltage limit | 0.85Ue ≤ U ≤ 1.1Ue | ||
Contact characteristics:
| Contact action | Slow motion (normally closed or normally open) ; normally closed contacts are directly disconnected |
| Contact resistance | ≤50mΩ |
| Mechanical life | Self-reset Button >3,000,000, emergency stop Button >. 3,000,000 |
| Electrical life | >1,000,000 （DC24V，power factor 0.5） |
| Short Circuit protection | RT16-10A |
| Wiring | Screw press-in terminal, connection ability: minimum 1 × 0.5 mm2 maximum, with or without terminal piece, 2 × 1.5 mm2 or 1 × 2.5 mm2 |
