A165K

Key-type Selector Switch (Detachable) (Cylindrical 16-dia.)

A165K

Separate Construction with Cylindrical 16-dia. Body

Item list of A165K

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last update: September 09, 2015

Approved Standard Ratings

UL, cUL (File No. E41515)

5 A at 125 VAC, 3 A at 250 VAC (general use)
3 A at 30 VDC (resistive)
Note: Certification has been obtained for the Switch Unit.
For detailed information on individual products that have received certification, consult your supplier.

TÜV (EN60947-5-1) (Low Voltage Directive)

3 A at 250 VAC
3 A at 30 VDC

CCC (GB14048.5)

5 A at 125 VAC
3 A at 250 VAC
3 A at 30 VDC

Ratings

Contacts

Rated voltage	Resistive load
125 VAC	5A
250 VAC	3A
30 VDC	3A

Minimum applicable load: 1 mA at 5 VDC
Rated values are obtained from tests conducted under the following conditions.
1. Load: Resistive load
2. Mounting conditions: No vibration and no shock
3. Temperature: 20±2°C
4. Operating frequency: 20 times/min

Contact Form

Name	Contact form
SPDT

Characteristics

Socket Units

Type		Key-type Selector Switch
Allowable operating frequency	Mechanical	20 operations/minute max.
Allowable operating frequency	Electrical	10 operations/minute max.
Insulation resistance		100 MΩ min. (at 500 VDC)
Contact resistance		100 mΩ max. (intial value)
Dielectric strength	Between terminals of same polarity	1,000 VAC, 50/60 Hz for 1 minute
	Between terminals of different polarity	2,000 VAC, 50/60 Hz for 1 minute
	Between each terminal and ground	2,000 VAC, 50/60 Hz for 1 minute
Vibration resistance	Malfunction	10 to 55 Hz, 1.5-mm double amplitude (malfunction within 1 ms)
Shock resistance	Destruction	500 m/s² max.
Shock resistance	Malfunction	150 m/s² max. (malfunction within 1 ms)
Durability	Mechanical	250,000 operations min. (durability of key: 10,000 operations min.)
Durability	Electrical	100,000 operations min.
Electric shock protection class		Class II
PTI (tracking characteristic)		175
Degree of contamination		3 (IEC60947-5-1)
Weight		Approx. 26.5 g (in the case of a DPDT switch key)
Ambient operating temperature		-10°C to 55°C (with no icing or condensation)
Ambient operating humidity		35% to 85%RH
Ambient storage temperature		-25°C to 65°C (with no icing or condensation)

Screw-less Clamp

Item	Type	Screw-less Clamp
Recommended wire size		0.5 mm² twisted wire or 0.8 mm-dia. solid wire
Usable wires and tensile strength	Twisted wire	0.3 mm²	0.5 mm²	0.75 mm²	1.25 mm²
	Solid wire	0.5 mm dia.	0.8 mm dia.	1.0 mm dia.	---
	Tensile strength	10 N	20 N	30 N	40 N
Length of exposed wire		10 ± 1 mm
Compliant standards		JIS C 2811 Terminal Blocks for Industrial Use

Operating Characteristics

Type	Key-type Selector Switch
Characteristics	2 notches	3 notches
Operating torque (OF) max.	0.1 Nm
Set position (SP)	90 ± 5 °	45° +10, 0

Operation Angle

Note: The angle used for automatic reset is shown in parentheses.
FP: Free position

Contact Configuration

No. of notches	Contact configuration
	SPDT		DPDT
	Position	SW	Position	SW2	SW1
2 notches
2 notches
3 notches	---

last update: September 09, 2015

Product Category

Switches
- Push Buttons / Indicator Lamps
  - φ16 Type
    - A16
    - A165S / W
    - A165K
    - M16
    - M2BJ

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