electrical center b2c
TEND TBM-25 TBM-30 Mushroom Head Momentary Push Button Switch, 25mm / 30mm Panel Mount, R/G/Y Color
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TEND mushroom push button, TBM-25 pushbutton, TBM-30 momentary button
Product Description
TEND TBM mushroom head momentary push button is widely used for industrial start and emergency stop signal control. Two panel cutout sizes: 25mm (TBM-25) and 30mm (TBM-30). This is spring return self-reset type: it bounces back automatically once you release the button. Multiple contact versions for different circuit needs:
✅ 1NO (Normally Open): Green for start signal
✅ 1NC (Normally Closed): Red for stop signal
✅ 1NO1NC
✅ 2NO2NC Flame-retardant ABS shell and brass contacts ensure stable conductivity and long service life, rated 6A 250V for control circuits. Large mushroom head design for easy pressing, great for emergency operation. Rich color options: Red, Green, Yellow, Black to distinguish different functions on control panels. Wide working temperature range -20℃~60℃, electrical life over 500,000 switching cycles. Perfect for machine tools, conveyors, automation devices, control cabinets and other industrial panel operation.
Specification
| Attribute | Value |
|---|---|
| Product Name | Mushroom Head Momentary Push Button Switch |
| Brand | TEND |
| Model Series | TBM-25, TBM-30 |
| Mounting Hole | 25mm / 30mm |
| Operation Type | Momentary / Spring Return / Self-reset |
| Contact Configuration | 1NO, 1NC, 1NO1NC, 2NO2NC |
| Rating | 6A, 250V AC |
| Housing Material | ABS Plastic |
| Contact Material | Brass |
| Available Color | Red, Green, Yellow, Black |
| Operating Temperature | -20℃ ~ +60℃ |
| Electrical Life | ≥500,000 times |
| Max Mechanical Cycles | 1000 cycles per hour |
| Package | 10pcs per box |
| Application | Control cabinet, machine tool, automation equipment, start, emergency stop signal control |
FAQ
Q1: Is this TBM mushroom button self-reset?
A: Yes, it is spring return momentary type. It will bounce back automatically after releasing your finger, not locking in position.
Q2: What panel hole sizes are available?
A: Two sizes: 25mm (TBM-25) and 30mm (TBM-30). Please confirm the cutout dimension before purchase.
Q3: What contact choices can I select?
A: Optional contact types: 1NO, 1NC, 1NO1NC, 2NO2NC.
Q4: What is the electrical rating of this TEND push button?
A: Rated 6A, 250V AC. It is designed for control signal circuit, not for heavy power load directly.
Q5: What colors are available?
A: Red, Green, Yellow, Black. Green commonly for start, red for stop or emergency control.
Q6: What is the service life?
A: Electrical life ≥500,000 times; maximum mechanical operation 1000 cycles per hour, working temperature -20℃ to 60℃.
Q7: What is the difference between 1NO and 1NC?
A: 1NO (Normally Open): circuit open at rest, closed when pressed, usually for start.
1NC (Normally Closed): circuit closed at rest, open when pressed, usually for stop.
Q8: What is the advantage of mushroom head button?
A: The big rounded mushroom head is easy to locate and press quickly, suitable for emergency operation scenarios.
Care Instructions
Care Instructions

