KOINO KH-30 Series Push Button Switches (25/30 mm, 1a1b)

KOINO KH series 25 mm and 30 mm non-illuminated push button switches with separate a/b contact blocks: flush, guarded, mushroom and push-lock turn-release types, each 1a+1b.

Key features

Separate NO (a) and NC (b) contact elements; gold-plated contact blocks made to order
KH-3040 and KH-3066EB have a protective ring around the button; KH-3046ER locks on push and releases by clockwise turn
Contact arrangements of 2a+2b and above are made to order; rain/dust rubber caps sold separately for KH-3065EB/3066EB
KH-3071 and KH-3081 are discontinued and replaced by the EB mushroom versions
Button colors are specified at order; color shade may vary by production lot
KC (KC 61058-1) and CCC (GB/T 14048.5) approved

Specifications

Contact arrangement	1a+1b
Contact rating	250V AC 6A (resistive)
Rated insulation voltage	600V AC/DC
Rated current	10A max.
Insulation resistance	100 MOhm min. (500V DC megger)
Dielectric strength	1,500V AC 50/60Hz for 1 min
Contact resistance	30 mOhm max. (initial)
Vibration	10-55 Hz, 0.75 mm half amplitude, X/Y/Z
Ambient conditions	-25 to +50 C, 45-85% RH
Protection	IP40
Life	Mechanical 250,000-1,000,000, electrical 500,000 operations
Approvals	KC, CCC
Source	KOINO general catalog 5th ed., p. 290-298

KH-3008		Operator: Momentary push button \| Size: 30 mm \| Button colors: Red/Green/Yellow/Black/Blue \| Material: Nylon glass body, ABS ring \| Weight: Approx. 92 g \| Status: Current
KH-3071		Operator: Momentary push button \| Size: 25 mm \| Button colors: Red/Green/Yellow/Black \| Material: Nylon glass body, ABS ring \| Weight: Approx. 57 g \| Status: Discontinued
KH-3081		Operator: Momentary push button \| Size: 30 mm \| Button colors: Red/Green/Yellow/Black \| Material: Nylon glass body, ABS ring \| Weight: Approx. 63 g \| Status: Discontinued
KH-3071EB		Operator: Mushroom momentary push button \| Size: 25 mm \| Button colors: Red/Green/Yellow/Black \| Material: Nylon glass body, ABS ring \| Weight: Approx. 65 g \| Status: Current
KH-3081EB		Operator: Mushroom momentary push button \| Size: 30 mm \| Button colors: Red/Green/Yellow/Black \| Material: Nylon glass body, ABS ring \| Weight: Approx. 70 g \| Status: Current
KH-3040		Operator: Guarded momentary push button \| Size: 30 mm \| Button colors: Red/Green/Yellow/Black \| Material: Nylon glass body, chrome zinc ring \| Weight: Approx. 178 g \| Status: Current
KH-3046ER		Operator: Push-lock turn-release push button \| Size: 30 mm \| Button colors: Red/Green/Yellow/Black/Blue \| Material: Zinc die-cast body, aluminium ring \| Weight: Approx. 203 g \| Status: Current
KH-3065EB		Operator: Mushroom momentary push button \| Size: 30 mm \| Button colors: Red/Green/Yellow/Black \| Material: Nylon body, chrome zinc ring \| Weight: Approx. 155 g \| Status: Current
KH-3066EB		Operator: Guarded mushroom momentary push button \| Size: 30 mm \| Button colors: Red/Green/Yellow/Black \| Material: Nylon body, chrome zinc ring \| Weight: Approx. 185 g \| Status: Current

Push Button SwitchesKOINO

9 product codes available in this family

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KOINO KH-30 Series Push Button Switches (25/30 mm, 1a1b)

Brand KOINO·Push Button Switches

Available part numbers (9)

KH-3008, KH-3071, KH-3081, KH-3071EB, KH-3081EB, KH-3040, KH-3046ER, KH-3065EB, KH-3066EB

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KOINO KH-30 Series Push Button Switches (25/30 mm, 1a1b)