Model: LA167-B2-BS142
Head Type: Mushroom-head with key lock
Function: Twist to release, key reset mechanism
Head Diameter: Ø40mm
Color: Red (high visibility for safety)
Contact Configuration: 1NC (normally closed)
Rated Voltage: AC/DC 220V
Material: Full metal head + contact base
Key System: Ronis 455 – prevents unauthorized reset
Mounting: 22mm standard panel cutout
Durability: Industrial-grade reliability
Product description:
Secure and control your emergency stop operations with this 22mm mushroom head push button switch featuring a key lock and twist-to-reset mechanism. Ideal for safety-critical applications in industrial and control systems, this durable unit ensures only authorized personnel can reactivate machinery.
B2 series products and accessories show:
Features:
Red mushroom-style emergency stop button, Ø40mm head diameter
Key-operated rotation reset mechanism for added safety
Equipped with contact block: 1NC (Normally Closed)
Built-in Ronis 455 key system to prevent unauthorized use
Durable structure with metal actuator and base housing
Suitable for 22mm mounting holes, easy to install
Ideal for industrial control panels, machinery lockouts, and emergency circuits
Rated Voltage: AC/DC 220V
Body Material: Metal alloy + plastic contact base
Application: Electrical machinery, production lines, motor control panels
Well-found marking mark card-tailor for you button of take the function sign
Label Can arbitrarily make to order according to the demand
Choice:
Choose the right visual indicator for your emergency switch:
Shapes: round, flat, or raised heads
Colors: red, green, black, white, yellow
Markings: STOP, START, POWER, PAUSE, etc.
Text or symbol engraving available per project specs
Contact Module Positioning (for layered contact configuration):
Left side / right side installation options
Compatible with BE101 / BE102 contact elements
Flexible combination for 1–3 contact layers
| left side installation | right side installation | |||
| first layer | model | meaning | model | meaning |
| 1 | A piece of BE101 is installed on the left side | 6 | A piece of BE101 is installed on the right side | |
| 2 | A piece of BE102 is installed on the left side | 7 | A piece of BE102 is installed on the right side | |
| 3 | Install two pieces of BE101 | |||
| 4 | Install two pieces of BE102 | |||
| 5 | Left BE101, Right BE102 | 9 | Left BE102, Right BE101 | |
| second layer | model | meaning | model | meaning |
| 1 | A piece of BE101 is installed on the left side | 6 | A piece of BE101 is installed on the right side | |
| 2 | A piece of BE102 is installed on the left side | 7 | A piece of BE102 is installed on the right side | |
| 3 | Install two pieces of BE101 | |||
| 4 | Install two pieces of BE102 | |||
| 5 | Left BE101, Right BE102 | 9 | Left BE102, Right BE101 | |
| third layer | by analogy | by analogy | ||
Technical specification:
| 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 |
