Omron D4V-8108SZ-N — Vertical Limit Switch, 5 A, IP65
SKU: D4V-8108SZ-NUSD 7.00
D4V-N compact vertical limit switch, adjustable roller lever, SPDT, 5 A at 250 VAC, IP65, 10 million mechanical operations.
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Product Overview
The Omron D4V-8108SZ-N is a compact vertical limit switch from the D4V-N family — Omron's Asia-spec line of small, vertical-mount limit switches, roughly one-third the size of the standard D4V vertical switch. manufactured by Omron Corporation. Hengyixin Automation ships this limit switch from our Xiamen warehouse with a 30-day DOA return window and a datasheet PDF included in the box.
The body sits upright on a panel or bracket and is wired from the open conduit entrance on the bottom. With an adjustable roller-lever actuator, SPDT (single-pole double-throw) contacts, and a 5 A at 250 VAC resistive rating, it's a general-purpose position-detection switch for light- and medium-duty machine work.
The D4V-8108SZ-N ships from Xiamen with full datasheet documentation. Operating temperature is -20 to +60 °C, so this switch is not suited to outdoor cabinets or freezer rooms.
Key Features
- 5 A resistive at 250 VAC; lower on inductive and motor loads (datasheet derating)
- IP65 oil- and dust-resistant enclosure
- SPDT (1 Form C) snap-action contacts
- Operating temperature -20 to +60 °C
- SKU: D4V-8108SZ-N
- Series: D4V-N compact vertical limit switch (Asia-spec)
- Voltage: 250 V
Best-Fit Applications
- Generic position indication on light machine tools, assembly stations, or OEM skids
- Door or guard-position indication on simple enclosures where a safety-rated switch is not required
- Conveyor line full / empty detection where panel space is limited
Buying Checklist
- Use the SZ (open-conduit) variant for hard-wired terminations; if you prefer a pre-wired pigtail, look at the V-series drops in the D4V-N family.
- Choose D4V-8108SZ-N for a small vertical roller-lever limit switch on a light-duty machine; switch to a WL or D4C if coolant, hot oil, or washdown is in the environment.
- Confirm the panel space — the D4V-N is the compact (Asia-spec) body; the standard D4V vertical body is roughly 3x larger and may not fit your bracket.
Technical Specifications
| Model | D4V-8108SZ-N |
|---|---|
| Series | D4V-N compact vertical limit switch (Asia-spec) |
| Actuator | Adjustable roller lever |
| Contact Form | SPDT (1 Form C) snap action |
| Rated Current | 5 A (AC resistive at 250 VAC) |
| Rated Insulation Voltage (Ui) | 250 V |
| Operating Speed | 5 mm/s to 0.5 m/s |
| Mechanical Life | >=10 million operations |
| Electrical Life | >=300,000 operations (250 VAC, 5 A resistive) |
| Protection Rating | IP65 |
| Operating Temperature | -20 to +60 °C (no icing) |
| Approvals | UL, CSA, CE, CCC |
FAQ for D4V-8108SZ-N
What is the difference between D4V-8108SZ-N and a D4N safety switch?
D4V-8108SZ-N is a general-purpose compact vertical limit switch for position detection only. The D4N family is snap-action limit switches designed for direct-mount use, with some variants offering safety-rated direct-opening contacts on machines. Pick D4V-N for sequencing and end-of-travel signals; pick D4N when the switch is part of a machine guard circuit.
What is the electrical rating of the D4V-8108SZ-N?
5 A resistive at 250 VAC is the headline figure. For inductive loads (AC-15) the rating drops to around 1.5 A at 250 VAC, and for motor loads to about 1 A at 250 VAC — use the datasheet derating curves when sizing downstream fuses or contactors. The rated insulation voltage (Ui) is 250 V, and the short-circuit protection is a 10 A gG/gI fuse.
How does the D4V-8108SZ-N compare to the WLCA12 family?
WLCA12 is a heavier-duty general-purpose limit switch with up to 10 A current, IP67 sealing, and a wider variety of heads (roller, plunger, wobble). D4V-8108SZ-N is the more compact Asia-spec alternative for light-duty panels where space is at a premium. For harsh environments with coolant, hot oil, or outdoor exposure, choose the WLCA12 or D4C series instead.
Is the D4V-8108SZ-N safe to use as a machine guard interlock?
No — the D4V-8108SZ-N is a general-purpose position switch with no certified direct-opening mechanism. For a swinging or sliding guard that needs to be interlocked with a safety circuit, use a switch from the D4NS, D4NL, D4N, or D4BL series instead. Those have certified direct-opening NC contacts that meet EN ISO 14119.
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