Omron V-155-1A5 — 15 A Subminiature Switch
SKU: V-155-1A5USD 1.20
V-series subminiature basic switch, 15 A / 250 VAC, SPDT, short hinge roller lever, solder terminals, 50 M ops.
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Product Overview
The Omron V-155-1A5 is a 15 A subminiature basic switch in the V-series family. It is manufactured by Omron Corporation. Hengyixin Automation ships this switch from our Xiamen warehouse with a 30-day DOA return window and a datasheet PDF included in the box.
The SPDT snap-action contacts switch 15 A at 250 VAC or 600 mA at 125 VDC, with the short hinge roller lever giving 1.96 N (200 gf) operating force. The silver-alloy contacts handle the inrush of inductive loads (solenoids, motor starter coils) without welding.
For longer-reach lever on the same contact form, use the V-155-1A6 long-hinge variant. Key specs: Model V-155-1A5; Contact Form SPDT (single pole, double throw); Rated Load 15 A at 250 VAC / 600 mA at 125 VDC; Operating Force 1.96 N (200 gf) max; Pretravel / OT 1.6 mm max pretravel; 1.2 mm min overtravel; Actuator Short hinge roller lever (code 5); Termination Solder terminals (code A); Contact Material Silver alloy.
Key Features
- V-series subminiature basic switch, 15 A at 250 VAC, 600 mA at 125 VDC
- SPDT snap-action contacts with silver-alloy contact material
- Short hinge roller lever actuator, 1.96 N (200 gf) operating force
- Solder terminals, IP40 housing, 50 million mechanical operations
- SKU: V-155-1A5
- Series: V-series subminiature basic switch
Best-Fit Applications
- End-position detection on a pneumatic cylinder where the roller rides the rod end.
- Cam-driven limit switch on a conveyor transfer where the cam lobe passes the roller.
- Auxiliary status signal to a PLC where the SPDT gives both NO and NC in one switch.
Buying Checklist
- Choose V-155-1A5 when 15 A at 250 VAC is enough and the actuator rides a cam.
- Choose V-151-1A5 for a pin plunger (no lever) when the cam cannot ride the roller.
- Choose D4N-112G when the switch needs IP67 / conduit entry for outdoor use.
Technical Specifications
| Model | V-155-1A5 |
|---|---|
| Series | V-series subminiature basic switch |
| Contact Form | SPDT (single pole, double throw) |
| Rated Load | 15 A at 250 VAC / 600 mA at 125 VDC |
| Operating Force | 1.96 N (200 gf) max |
| Pretravel / OT | 1.6 mm max pretravel; 1.2 mm min overtravel |
| Actuator | Short hinge roller lever (code 5) |
| Termination | Solder terminals (code A) |
| Contact Material | Silver alloy |
| Mechanical Life | 50,000,000 operations min |
| Electrical Life | 100,000 operations at rated load |
| Protection | IP40; -25 to +80 degC operating |
FAQ for V-155-1A5
What does the V-155-1A5 model number decode to?
V- = V-series subminiature. 15 = 15 A at 250 VAC rating. 5 (after 15) = short hinge roller lever. 1 = SPDT contact form. A = solder terminals. 5 (trailing) = 1.96 N max operating force. Other variants in the V-15 family use different combinations of actuator, contact, and terminal.
Can the V-155-1A5 switch a 240 VAC solenoid directly?
Yes - the 15 A rating comfortably handles a single 240 VAC solenoid. For frequent switching of inductive loads, derate to 10 A or add an RC snubber / MOV across the load to extend contact life beyond 100,000 operations. The drive runs the motor ID read once per power-on and writes the parameters to its EEPROM so commissioning is one-touch on next boot.
Is the V-155-1A5 waterproof?
No. The IP40 rating means dust-protected but not water-protected. For outdoor, washdown, or coolant-exposed applications, step up to a D4N / D4V / WL limit switch with IP67 housing and conduit entry. The D4N and WL families also offer snap-action basic switch contacts with a sealed housing for harsher environments.
What is the difference between V-155-1A5 and V-155-1C5?
The terminal style. V-155-1A5 has solder terminals; V-155-1C5 has screw terminals for chassis wiring. Same actuator, same contacts, same ratings. Pick the A5 for tight PC-board chassis mounts; pick the C5 for field wiring with ring terminals. For absolute position retention, step up to the BOS2C variant with absolute encoder and battery backup on the drive side.
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