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Knob-type Selector Switch (Detachable) (Cylindrical 16-dia.)
Separate Construction with Cylindrical 16-dia. Body
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Quick links OMRON IA Push Buttons / Indicator Lamps in your country.
Please contact Europe headquarters.
Ordering as a Set
The model numbers used to order sets of Units are given in the following tables. One set comprises the Selector, Lamp (lighted models only), and Switch.
Solder Terminals
Rectangular
1A165[]-J
| No. of notches | Output | Reset method | Lighting method | Model | |
| 2 notches | SPDT | Manual | ![]() | LED | A165W-J2M[]-24D-1 |
| Non-lighted | A165S-J2M-1 | ||||
| Automaticl | ![]() | LED | A165W-J2A[]-24D-1 | ||
| Non-lighted | A165S-J2A-1 | ||||
| DPDT | Manual | ![]() | LED | A165W-J2M[]-24D-2 | |
| Non-lighted | A165S-J2M-2 | ||||
| Automaticl | ![]() | LED | A165W-J2A[]-24D-2 | ||
| Non-lighted | A165S-J2A-2 | ||||
| 3 notches | DPDT | Manual | ![]() | LED | A165W-J3M[]-24D-2 |
| Non-lighted | A165S-J3M-2 | ||||
Note: Enter the desired color symbol for the Selector in []: R (red); Y (yellow); G (green). The Selector for non-lighted models is black.
Square
A165[]-A
| No. of notches | Output | Reset method | Lighting method | Model | |
| 2 notches | SPDT | Manual | ![]() | LED | A165W-A2M[]-24D-1 |
| Non-lighted | A165S-A2M-1 | ||||
| Automaticl | ![]() | LED | A165W-A2A[]-24D-1 | ||
| Non-lighted | A165S-A2A-1 | ||||
| DPDT | Manual | ![]() | LED | A165W-A2M[]-24D-2 | |
| Non-lighted | A165S-A2M-2 | ||||
| Automaticl | ![]() | LED | A165W-A2A[]-24D-2 | ||
| Non-lighted | A165S-A2A-2 | ||||
| 3 notches | DPDT | Manual | ![]() | LED | A165W-A3M[]-24D-2 |
| Non-lighted | A165S-A3M-2 | ||||
Note: Enter the desired color symbol for the Selector in []: R (red); Y (yellow); G (green). The Selector for non-lighted models is black.
Round
A165[]-T
| No. of notches | Output | Reset method | Lighting method | Model | |
| 2 notches | SPDT | Manual | ![]() | LED | A165W-T2M[]-24D-1 |
| Non-lighted | A165S-T2M-1 | ||||
| Automaticl | ![]() | LED | A165W-T2A[]-24D-1 | ||
| Non-lighted | A165S-T2A-1 | ||||
| DPDT | Manual | ![]() | LED | A165W-T2M[]-24D-2 | |
| Non-lighted | A165S-T2M-2 | ||||
| Automaticl | ![]() | LED | A165W-T2A[]-24D-2 | ||
| Non-lighted | A165S-T2A-2 | ||||
| 3 notches | DPDT | Manual | ![]() | LED | A165W-T3M[]-24D-2 |
| Non-lighted | A165S-T3M-2 |
Note: Enter the desired color symbol for the Selector in []: R (red); Y (yellow); G (green). The Selector for non-lighted models is black.
Ordering Individually
Selectors, Lamps, and Switches (Sockets) can be ordered separately. Combinations that are not available as sets can be created using individual Units. Also, store the parts as spares for maintenance and repairs.
Selectors (Oil-resistant IP65 Models Only)
| Appearance | Number of notches | Reset method | Lighting method | Model | Selector color symbol | |
| Rectangular (A165[]-J) ![]() | 2 notches | Manual | LED | A165W-J2M[] | Enter the desired color symbol for the Selector in[] . R (red), Y (yellow), G (green) | |
| Non-lighted | A165S-J2M | |||||
| Automatic | ![]() | LED | A165W-J2A[] | |||
| Non-lighted | A165S-J2A | |||||
| 3 notches | Manual | LED | A165W-J3M[] | |||
| Non-lighted | A165S-J3M | |||||
| Fully automatic | ![]() | LED | A165W-J3A[] | |||
| Non-lighted | A165S-J3A | |||||
| Square (A165[] -A) ![]() | 2 notches | Manual | LED | A165W-A2M[] | Enter the desired color symbol for the Selector in[] . R (red), Y (yellow), G (green) | |
| Non-lighted | A165S-A2M | |||||
| Automatic | ![]() | LED | A165W-A2A[] | |||
| Non-lighted | A165S-A2A | |||||
| 3 notches | Manual | LED | A165W-A3M[] | |||
| Non-lighted | A165S-A3M | |||||
| Fully automatic | ![]() | LED | A165W-A3A[] | |||
| Non-lighted | A165S-A3A | |||||
| Round (A165[] -T) ![]() | 2 notches | Manual | LED | A165W-T2M[] | Enter the desired color symbol for the Selector in[] . R (red), Y (yellow), G (green) | |
| Non-lighted | A165S-T2M | |||||
| Automatic | ![]() | LED | A165W-T2A[] | |||
| Non-lighted | A165S-T2A | |||||
| 3 notches | Manual | LED | A165W-T3M[] | |||
| Non-lighted | A165S-T3M | |||||
| Fully automatic | ![]() | LED | A165W-T3A[] | |||
| Non-lighted | A165S-T3A | |||||
Note: The selector for non-lighted models is black.
Sets
Select an Operation Unit and a Socket Unit Set (Lamp and Socket Unit).
Socket Unit Set (Sets include a Socket Unit and a Lamp.)
| Appearance | Number of notches | Classification | Model | ||
![]() | 2 notches | SPDT | 24 V | Solder terminals | A16W-2N[]-24D-1 |
| DPDT | A16W-2N[]-24D-2 | ||||
| 3 notches | DPDT | A16W-3N[]-24D-2 | |||
Socket Unit Set with Voltage Reduction Unit (Solder Terminal)
| Appearance | Classification | Operating voltage | Model | ||
![]() | Standard loads and microloads | 2 notches | SPDT | 100/110 VAC/VDC | A16L-[]-T1-1 |
| 2 notches | DPDT | A16L-[]-T1-2 | |||
| 3 notches | A16W-3N[]-T1-2 | ||||
Note: The LED has a 24-VAC/VDC circuit built in.
Insert one of the following letters into the box ([]).
| Symbol | Light color |
| R | Red |
| Y | Yellow |
| G | Green |
Screw-less Clamp Connector Socket Unit Set
| Appearance | Classification | Model | Remarks | ||||
![]() | Standard loads and microloads | 2 notches DPDT | Non-lighted | A16-2S | Used for Pushbutton Switches and Knob-type Selector Switches. | ||
| Lighted | No voltage-reduction lighting | A16L-△-[]-2S | |||||
| Voltage-reduction lighting | 100/110 VAC/VDC | A16L-△-T1-2S | |||||
| 200/220 VAC/VDC | A16L-△-T2-2S | ||||||
| 3 notches DPDT | Non-lighted | A16S-3N-2LS | |||||
| Lighted | No voltage-reduction lighting | A16W-3N△-[]-2S | |||||
| Voltage-reduction lighting | 100/110 VAC/VDC | A16W-3N-△-T1-2S | |||||
| 200/220 VAC/VDC | A16W-3N-△-T2-2S | ||||||
Note: The 100-V models and 200-V models have a 24-VAC/VDC circuit built in.
Insert symbols in Δ and [].
Δ
| Symbol | Light color |
| R | Red |
| Y | Yellow |
| G | Green |
[]
| Symbol | Type | Operating voltage |
| 5D | LED | 5 VDC |
| 12D | 12 VAC/VDC | |
| 24D | 24 VAC/VDC |
Ordering Individually
Switches
| Appearance | Classification | Model | ||||
![]() | Lighted | Socket (without voltage-reduction lighting) | 2 notches | SPDT | Solder terminal | A16S-2N-1L |
| DPDT | A16S-2N-2L | |||||
| 3 notches | DPDT | A16S-3N-2L | ||||
| Non-lighted | 2 notches | SPDT | A16S-2N-1 | |||
| DPDT | A16S-2N-2 | |||||
| 3 notches | DPDT | A16S-3N-2 | ||||
![]() | Lighted | 2 notches | SPDT | PCB terminal | A16S-2N-1LP | |
| DPDT | A16S-2N-2LP | |||||
| Non-lighted | SPDT | A16S-2N-1P | ||||
| DPDT | A16S-2N-2P | |||||
Lamps
| Operating voltage | Super-bright | ||
Light color ![]() | 5 VDC | 12 VDC | 24 VDC |
| Red | A16-5DSR | A16-12DSR | A16-24DSR |
| Yellow | A16-5DSY | A16-12DSY | A16-24DSY |
| Green | A16-5DSG | A16-12DSG | A16-24DSG |
Accessories and Tools (Optional)
Accessories
| Name | Appearance | Classification | Model | Remarks |
| Panel Plugs | ![]() | Rectangular | A16ZJ-3003 | Used for covering the panel cutouts for future panel expansion. Degree of protection: IP40 |
| Square | A16ZA-3003 | |||
| Round | A16ZT-3003 |
Tools
| Name | Appearance | Model | Applicable types | Remarks | ||||
| Pushbutton Switch | Knob-type Selector Switch | Key-type Selector Switch | Emergency Stop Switch | Indicator | ||||
| Screw Fitting | ![]() | A16Z-3004 | Yes | Yes | Yes | Yes | Yes | Convenient for ganged installation. Tighten to a torque of 0.39 N・m min. |
| Extractor | ![]() | A16Z-5080 | Yes | Yes | Yes | Yes | Yes | Convenient for extracting the Switches and Lamps. |