Omron Z-15GQ22-B — Basic Switch, 15A, Roller Plunger
SKU: Z-15GQ22-BUSD 5.00
15 A SPDT basic switch with M12 panel-mount hex nut and roller plunger actuator, screw-terminal wiring, 250 VAC / 15 A resistive rating
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Product Overview
The Omron Z-15GQ22-B is the modern 'B'-suffix variant of Omron's Z-15GQ22 series basic switch — a 15 A SPDT pin-plunger-style switch with a panel-mount M12 hex nut body, a roller-plunger actuator for low-friction cam operation, and screw terminals rated for industrial field wiring. 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 Z-series is Omron's flagship premium basic switch family, the direct descendant of the original 1930s Micro Switch design, and used in tens of thousands of applications from coffee machine latches to CNC machine-tool doors. The roller plunger (vs plain plunger) reduces friction during cam approach — common in door-interlock and motion-limit applications where the cam scrapes past the actuator on every cycle.
The trade-off: the roller plunger adds ~5 mm length vs the plain plunger, which can be an issue in space-constrained installations.
Key Features
- 15 A SPDT basic switch
- 15 A 250 VAC / 15 A 30 VDC resistive rating
- 6 A 380 VAC / 6 A 30 VDC inductive rating
- Operating force 250 to 350 gf
- SKU: Z-15GQ22-B
- Series: Z Series Premium Basic Switch
Best-Fit Applications
- Pneumatic clamp-position confirmation — Z-15GQ22-B at each clamp's extended/retracted position, roller plunger actuated by the clamp arm; 15 A switches.
- Coffee machine or vending machine door interlock — Z-15GQ22-B panel-mounted on the door frame with the roller plunger riding against.
- CNC machine-tool door interlock — Z-15GQ22-B on each access panel; 15 A direct switching of the lubrication pump or coolant.
Buying Checklist
- Pick Z-15GQ22-B for 15 A SPDT basic switch with roller plunger and M12 panel-mount body
- Pick Z-15HW78-B if you need high actuation force — pick for slow or heavy cam applications
- Pick Z-15GW2-B if you need a simulated roller plunger — pick for higher-position body and adjustable roller orientation
Technical Specifications
| Model | Z-15GQ22-B |
|---|---|
| Series | Z Series Premium Basic Switch |
| Type | Panel-mount basic switch, roller plunger, screw terminals |
| Contact Configuration | SPDT (Form C) — one NO, one NC |
| Rated Current (Resistive) | 15 A 250 VAC / 15 A 30 VDC |
| Rated Current (Inductive) | 6 A 250 VAC (AC-14) / 6 A 30 VDC (DC-13) |
| Inrush Current | 30 A max (peak, < 100 ms) |
| Actuator Type | Roller plunger (inline roller bearing on plunger) |
| Mounting | M12 × 1 hex nut, 11 N·m torque max |
| VDE Certification | Yes (VDE 0660-200 compliant dielectric) |
| Operating Temperature | -25 to +80 °C (no icing) |
| Certifications | UL listed, CSA, VDE certified, CE, EN 61058-1 compliant |
FAQ for Z-15GQ22-B
What's the difference between Z-15GQ22-B and Z-15GQ-B?
Both are 15 A SPDT basic switches with M12 panel-mount body. Z-15GQ22-B (this SKU) has a roller-plunger actuator — the plunger is replaced by an inline roller bearing for reduced friction during cam approach. Z-15GQ-B has a plain plunger — pin plunger that pushes directly against the cam. The roller-plunger has lower friction (cam doesn't scrape on the plunger during every cycle), quieter operation, and reduced cam wear; the trade-off is ~5 mm longer body length.
Can the Z-15GQ22-B switch a small motor or solenoid directly?
Yes — the 15 A 250 VAC rating handles most industrial control loads directly: pneumatic solenoid valves (24 VDC 50-500 mA), small motor contactor coils (24 VDC 100 mA to 2 A), indicator lamps (24 VDC 100-200 mA), and small single-phase motor loads up to ~370 W directly. For larger motor loads (1-phase 750 W+, 3-phase motors), the Z-15GQ22-B drives an interposing relay (LY2N-J DC24 or G2R-2-SNI DC24V) or motor contactor; the relay/contactor handles the larger load.
Is the Z-15GQ22-B safety-rated?
No — the Z-15GQ22-B is a general-purpose basic switch without direct-opening mechanism (DOM) certification. The SPDT contact is suitable for general-purpose position detection but not for personnel-protection guard interlock applications above Cat 1 / PL c. For safety-rated guard door switches (Cat 1 / PL c minimum), use the D4N-112G (plastic-body, 1NC/1NO, DOM), D4B-4111N (aluminum-body, 1NC/1NO, DOM), or D4BL-2CRA (guard-lock switch, 700 N holding force, DOM, up to Cat 4 / PL e).
How is the Z-15GQ22-B typically wired?
The Z-15GQ22-B has 3 screw terminals for SPDT wiring: COM (common), NO (normally-open), and NC (normally-closed). Wire the load's high-side to the COM terminal; the load's low-side connects to either NO (if you want the load ON when the plunger is depressed) or NC (if you want the load OFF when the plunger is depressed).
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