XB5-AC Push Button Harmony Plastic Mushroom 40X22mm Spring Return Unmarked 1NO
The Harmony XB5-AC push button is a durable control device featuring a plastic mushroom head with a 40mm diameter, designed for enhanced visibility and easy operation. It fits standard 22mm panel cut-outs and is equipped with a spring return mechanism, allowing the button to automatically return to its original position after being pressed. This model is unmarked and includes one normally open (1NO) contact, making it suitable for momentary operations such as start commands or triggering non-latching control functions in industrial control panels and machinery. Its robust construction ensures long-lasting performance in demanding environments.
Features:
- Large 40mm mushroom head for easy and quick actuation.
- Durable plastic construction for industrial environments.
- Fits standard 22mm panel cutouts.
- Spring return mechanism ensures automatic reset after activation.
- Unmarked actuator for customizable use in various control applications.
- 1 Normally Open (1NO) contact for momentary control functions.
- Simple installation with secure panel mounting.
- Ideal for emergency stop or start control operations without labeling.
Specifications:
| Specification | Value |
|---|---|
| Commercial Status | Commercialized |
| Product Type | Complete Pushbutton |
| Series | Harmony XB5 |
| Head Type | Mushroom |
| Signaling Unit Head Shape | Round |
| Operator Type | Spring Return (Momentary) |
| Bezel Material | Plastic |
| Fixing Collar Material | Plastic |
| Marking | Unmarked |
| Electrical Rating | 3A at 240V AC |
| Contact Configuration | 1 Normally Open (1NO) |
| Contact Operation | Slow-Break |
| Mounting Type | Panel Mount with Screw |
| Mounting Diameter | Ø22 mm |
| Head Diameter | Ø40 mm |
| Terminal Type | Screw Clamp and Faston Connectors |
| Screw Clamp Terminal Capacity | 1 × 0.22 to 2 × 2.5 mm² without Cable End |
| Screw Clamp Terminal Capacity with Cable End | Up to 2 × 1.5 mm² |
| Faston Connectors | 2 × 2.8 mm |
| Faston Connectors | 1 × 6.35 mm |
| Ambient Operating Temperature | -25°C to +70°C |
| Mechanical Durability | Up to 1,000,000 Cycles |
| Model Numbers |
XB5-AC21, XB5-AC61, XB5-AC31, XB5-AC51, XB5-AC42 |
| Colors | Black, Yellow, Green, Blue, Red |
Dimensions:

Applications:
- Industrial Control Panels.
- Machinery Operation.
- Emergency Stop Bypass Functions.
- Production Lines.
- Building Management Systems.
- Training Equipment.
- Custom Operator Interfaces.
Package Contents:
- 1x XB5-AC Push Button Harmony Plastic Mushroom 40mmX22mm Spring Return Unmarked 1NO




