TEND TBF-25 TBF-30 Momentary Flat Push Button Switch, 25mm / 30mm Pane

TEND push button, TBF-25 pushbutton, TBF-30 momentary button, 30mm self reset button

Product Description

TEND TBF flat momentary push button is widely used for industrial start and stop signal control. Two panel cutout sizes: 25mm (TBF-25) and 30mm (TBF-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. Rich color options: Red, Green, Yellow, Black, White 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	Flat Momentary Push Button Switch
Brand	TEND
Model Series	TBF-25, TBF-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, White
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 & stop signal control

FAQ

Q1: What does momentary / self-reset mean for this TBF button?
A: It is spring return type. It will automatically bounce back after releasing your finger, not latch in position.

Q2: What panel hole sizes are available?
A: Two sizes: 25mm (TBF-25) and 30mm (TBF-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 in stock?
A: Red, Green, Yellow, Black, White. Green commonly for start, red for stop.

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.