Overview
The Omron S 0541Y1 is a miniature power relay from Omron’s MY4 series, designed as a general-purpose switching device for industrial automation and control systems. The relay features a 24VDC coil with 4-pole single-contact (4PDT) configuration and plug-in terminals, making it suitable for a wide range of control panel and automation applications. With switching capacities of 5A at 250VAC and 5A at 30VDC, the Omron S 0541Y1 offers reliable performance in both AC and DC circuits.
Key Features
- 24VDC coil voltage for standard industrial control applications
- 4-pole, single contact (4PDT) configuration for versatile switching
- Plug-in terminals for quick installation and replacement
- Contact rating: 5A at 250VAC, 5A at 30VDC
- Compact miniature design (approximately 36mm × 28mm × 21.5mm)
- Operating temperature range: -55°C to +70°C
- UL, CSA, CE, VDE, and SEV certified
Technical Specifications
The Omron S 0541Y1 meets strict industrial standards and is designed for dependable operation in demanding environments.
- Coil Voltage: 24VDC
- Coil Resistance: 636 Ω (ohms)
- Coil Power: 900mW
- Contact Configuration: 4PDT (4-pole, single contact)
- Switching Current (AC): 5A at 250VAC
- Switching Current (DC): 5A at 30VDC
- Maximum Switching Voltage (DC): 125VDC
- Operating Temperature: -55°C to +70°C
- Dimensions: 36mm (L) × 28mm (H) × 21.5mm (D)
- Isolation (Coil to Contact): 2kV AC
- Mechanical Life (DC): 100,000,000 operations
- Electrical Life (DC): 200,000 operations
- Mounting: Plug-in socket (base mounting)
Typical Applications
The Omron S 0541Y1 is widely used across industrial and automation sectors:
- PLC and programmable controller switching circuits
- Motor control and starter circuits
- Solenoid and pneumatic system control
- Machine automation and motion control
- Industrial process control applications
- HVAC and building automation systems
- Power distribution and load switching in control panels
Compatibility & Replacements
Compatible With
- Standard Omron MY4 relay sockets (base mounting systems)
- 24VDC control power supplies in industrial control systems
- PLC analog and digital I/O modules (24VDC signal sourcing)
- Motor starters and soft-start controllers
- Industrial automation panels and control cabinets
- PROFIBUS, EtherNet/IP, and other industrial networks via PLC integration
Replaces / Drop-In Replacement For
- Omron MY4 24VDC (all variants)
- Omron MY4N DC24
- Omron MY4-D DC24 (without diode models)
- Omron MY4IN1 24VDC (S)
Works With
- Allen-Bradley PLCs and SLC systems via standard 24VDC switching
- Siemens S7 systems with 24VDC control logic
- Mitsubishi FX and A series PLCs
- Omron CP/CJ/NJ series controllers
- Standard industrial 24VDC control circuits
- Relay sockets and terminal blocks supporting 24VDC relays
