Overview
The Potter & Brumfield PM17DY is a panel-mount general purpose control relay designed for demanding industrial switching applications. This 24VDC coil relay features four pole double throw (4PDT) contacts suitable for power switching and control logic in manufacturing, process control, and electrical distribution systems. The relay delivers reliable contact performance in industrial environments where durability and long contact life are essential.
Key Features
- 4PDT (4 Pole Double Throw) contact configuration for flexible switching logic
- 25 Ampere continuous contact rating per pole for reliable power switching
- 24VDC coil voltage for compatibility with standard industrial control power supplies
- Screw terminal connections for secure, field-serviceable wiring
- Open frame panel-mount construction for space-efficient installation
- UL/CSA certification for industrial and commercial applications
Technical Specifications
- Coil Voltage: 24VDC
- Contact Configuration: 4PDT (4 Pole, Double Throw)
- Contact Rating: 25 Amperes per pole
- Mounting: Panel-mount (open frame)
- Terminals: Screw connections
- Approvals: UL/CSA listed
- Contact Material: Silver-cadmium oxide alloy
- Duty Cycle: Continuous
- Input Type: DC
Typical Applications
The PM17DY relay is widely used in industrial control systems including:
- Motor starter interlocking and control circuits
- Process automation and machinery sequencing
- Electrical distribution panel switching
- Pump and compressor control systems
- Industrial HVAC and facility management systems
- Machine tool and production equipment control
Compatibility & Replacements
Compatible With
- 24VDC industrial control power supplies
- Programmable logic controllers (PLCs) with 24VDC relay outputs
- Motor control centers and electrical distribution cabinets
- Standard industrial control panels
- Legacy and modern industrial automation systems
Replaces / Drop-In Replacement For
- Other PM17DY variants with matching 24VDC coil specification
- Equivalent 4PDT 25A control relays with matching pin configuration
- Compatible with systems originally specified for Potter & Brumfield PM-series general purpose relays
Works With
- Direct-wired industrial control circuits
- 24VDC digital logic and PLC systems
- Hardwired interlock and safety circuit architectures
- Standard three-phase motor control and protection schemes
- Facility automation and building management systems
