Part of the Omron CJ-Series PLCs series — see the full model table, lifecycle status and replacement parts.
Omron CJ1W-OC201 — 8-Pt Independent Relay
SKU: CJ1W-OC201USD 55.00
Omron CJ1W-OC201 8-point independent-relay output, 250 VAC / 24 VDC at 2 A, mixed-voltage loads. In stock.
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Product Overview
The Omron CJ1W-OC201 is an 8-point independent-relay output unit for the CJ-series PLC platform, manufactured by Omron Corporation. Hengyixin Automation stocks this relay in Xiamen and ships within 3-5 business days to most Asian, European, and North American ports. Specifications on this page were checked against Omron's CJ-series basic I/O Unit specification table.
The OC201 gives eight isolated SPDT relay outputs rated 2 A at 250 VAC or 24 VDC. Because the eight outputs are independent, each output can switch a different voltage or load type from the same I/O unit. The three-terminal (C, NO, NC) wiring per output makes mix-and-match use obvious. The unit carries one internal NY-24W-K-IE Fujitsu relay per channel; the relays are factory-replaceable only, not user-replaceable in the field.
Response time is 15 ms both ways, suiting valve and contactor control but not high-speed pulse trains. Electrical life is 150,000 operations on a DC24V resistive load. The OC201 fits a single CJ1W slot at 31 mm wide, draws 90 mA at 5 VDC, and weighs 88 g.
Key Features
- 8-point independent-relay output for the CJ1W Basic I/O rack, isolated commons
- 2 A at 250 VAC or 24 VDC per output, 15 ms ON / 15 ms OFF response
- Three-terminal (C, NO, NC) per output, mixed-voltage loads on the same unit
- 31 mm slim form factor, 150,000 electrical operations per relay, 88 g
- SKU: CJ1W-OC201
- Series: CJ-series Basic I/O Unit, contact output
Best-Fit Applications
- Mixed-voltage control panel on a CJ2H machine where one output runs a 230 VAC solenoid and the next runs a 24 VDC relay coil
- Building management panel where each of the eight relays drives a different load class without rewiring the rack
- Spare replacement for an EOL CJ1W-OC201 on a CS1 line where the same NY-24W-K-IE relay form factor drops in directly
Buying Checklist
- Choose the CJ1W-OC201 when the eight outputs each need to switch a different voltage or load class from the same I/O unit.
- Choose the CJ1W-OC211 instead when 16 mechanical-relay outputs fit the cabinet better than eight with the same screw terminal.
- Choose the CJ1W-OD231 instead when the cabinet needs 32 transistor outputs in a single slot and the loads do not need isolated commons.
Technical Specifications
| Manufacturer | Omron Corporation (Japan) |
|---|---|
| Series | CJ-series Basic I/O Unit, contact output |
| Model / SKU | CJ1W-OC201 |
| Output Type | 8 x independent SPDT relay outputs (one common per point) |
| Maximum Switching Capacity | 2 A at 250 VAC (cos phi = 1) or 24 VDC; 16 A per unit total |
| Minimum Switching Capacity | 1 mA at 5 VDC |
| Response Time | 15 ms max ON, 15 ms max OFF |
| Relay | NY-24W-K-IE (Fujitsu Takamizawa Components), factory-replaceable only |
| Electrical Life | 150,000 operations at 24 VDC resistive; 100,000 operations at 250 VAC inductive |
| I/O Connection | M3 screw terminal block, 3 terminals per output (C, NO, NC), 18 terminals; INDEPENDENT contacts - each of the 8 outputs is isolated from the others, which is what distinguishes this unit from the CJ1W-OC211 and lets eight different voltages be switched |
| Internal Current | 90 mA max at 5 VDC from the CJ bus; 48 mA max at 24 VDC (6 mA per ON point) |
| Dimensions / Weight | 31 x 90 x 89 mm per the Omron CJ1W family datasheet; per-model sources give 65-66.5 mm body depth - verify against panel depth before ordering |
Manufacturer documentation
Omron's own product page, where the manufacturer's current specification and lifecycle information are published. We are an independent distributor and cannot mirror those documents; the link goes to Omron's site.
FAQ for CJ1W-OC201
What is the difference between CJ1W-OC201 and CJ1W-OC211?
Both are CJ-series relay output units with the same 2 A 250 VAC rating and screw-terminal wiring. The OC201 has eight independent-relay outputs (each with its own common), and the OC211 has 16 shared-common outputs. Pick the OC201 for mixed-voltage panels, and the OC211 when you need more outputs on a single common and the loads can share.
Can the CJ1W-OC201 switch 230 VAC and 24 VDC loads at the same time?
Yes. The OC201 has independent commons, so each of the eight outputs can switch a different voltage. The rated load is 2 A at 250 VAC (cos phi = 1) or 2 A at 24 VDC per output, with a 16 A total across the eight outputs.
What is the relay part number in CJ1W-OC201?
NY-24W-K-IE, made by Fujitsu Takamizawa Components. The relays are not user-replaceable in the field; if a relay welds, the whole unit is swapped. Electrical life is 150,000 operations on a DC24V resistive load and 100,000 operations on a 250 VAC inductive load at cos phi = 0.4.
Is the CJ1W-OC201 suitable for safety circuits?
No. The OC201 is a basic output unit and is not certified for safety functions. It does not have forced-guided contacts or direct opening action. For E-stop and safety-gate circuits, use a safety relay such as the G9SA-301 or G9SB-3012-A, or a safety controller like the NX-SL3300.
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