The CS1W-CN521 I/O Cable
The Omron CS1W-CN521 is a 16.4 ft (5.00m) I/O cable assembly designed for the CS1 PLC series, with rectangular connectors on both control and process sides and CE, Lloyd, NK approvals.
Omron CS1W-CN521 I/O Cable, 16.4 ft (5m), for CS1 Series
MPNCS1W-CN521
End of Life
Omron CS1W-CN521 I/O Cable Assembly, 16.4 ft (5.00m), Rectangular Connectors, CE/Lloyd/NK
$242.57 – $567.73Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jun 2026
Specifications
| Parameter | Value |
|---|---|
| Series | CS1W |
| Parameter | Value |
|---|---|
| Approvals / certifications | CE, Lloyd, NK |
| Parameter | Value |
|---|---|
| Length | 16.40' (5.00m) |
| Specifications | Input, Output (I/O) |
| Control side connection | Rectangular Connector |
| Process side connection | Rectangular Connector |
Product details
Frequently asked questions
What is the closest functional alternative to CS1W-CN521?
The CS1W-CN321 (3.00m) and CS1W-CN133 (10.00m) are identical in every spec except length. The CN321 is a direct drop-in if a shorter cable works; the CN133 handles longer runs.
What is the cable length of CS1W-CN521?
16.40 feet (5.00 metres).
What series is CS1W-CN521 part of?
The CS1W series, designed for Omron CS1 PLC I/O connections.
Will CS1W-CN521 fit a panel designed for CS1W-CN321?
Yes, the connectors and series match exactly. The only difference is length, so the CN521 will have extra slack but physically connect and function.
What compliance documentation is available for CS1W-CN521?
The cable carries CE, Lloyd, and NK approvals. No RoHS or REACH statements are listed in the standard specs.
MPN
CS1W-CN521