Versatile Power Switching for Engine and Motor Control
The Woodward 5463-581 is a robust single-channel control relay for speed and position regulation. This versatile relay directly interfaces with governor outputs to manage fuel valves or actuators. It operates reliably on either 24 VDC or 120 VAC control power. Consequently, it is a key component for controlling diesel engines, gas engines, and industrial motors.
Technical Specifications and Environmental Ratings
This heavy-duty relay from Woodward features a substantial 25 Amp switching capacity. Its compact design allows for straightforward panel or DIN rail mounting. Furthermore, the relay maintains operation across an exceptionally wide temperature range.
Detailed Technical Parameters
| Parameter | Specification |
|---|---|
| Manufacturer | Woodward |
| Model Number | 5463-581 |
| Product Series | Governor Control & Accessories |
| Product Category | Control Relay / Power Interface Relay |
| Relay Type | SPST (Single Pole, Single Throw) – Normally Open or Normally Closed |
| Contact Configuration | 1 Form A (NO) or 1 Form B (NC) – verify specific model |
| Rated Contact Current | 25 A (Resistive Load) |
| Maximum Switching Voltage | 240 VAC / 30 VDC |
| Rated Thermal Current | 25 A |
| Operate & Release Time | < 15 ms (typical) |
| Coil Operating Voltage | 24 VDC or 120 VAC (Selectable/Configurable) |
| Coil Power Consumption | 5 W |
| Mechanical Life | > 10 million operations |
| Electrical Life | > 100,000 operations (at rated load) |
| Isolation | Reinforced isolation between coil and contacts |
| Connection Type | Screw terminals (for both coil and contacts) |
| Status Indication | Optional LED indicator for relay energized state |
| Operating Temperature Range | -40°C to +85°C |
| Storage Temperature Range | -55°C to +100°C |
| Relative Humidity | 5% to 95% non-condensing |
| Mounting | DIN Rail (35 mm) or Panel Mount |
| Enclosure Protection | Typically IP20 (for installation inside protective enclosures) |
| Module Dimensions | Compact relay form factor (e.g., 90mm x 22mm x 100mm) |
| Module Weight | Approximately 0.25 kg |
| Internal Energy Storage | None; relay state is maintained only while coil is powered |
| Compliance Standards | NEMA, IEC, and other industrial control standards |
Key Features and Application Benefits
The 5463-581 relay handles high-current loads directly from a low-power governor signal. Its wide operating voltage selection simplifies integration into different plant electrical systems. The relay also provides reliable contact isolation for safe control circuit separation. Moreover, its rugged construction ensures durability in harsh industrial and mobile environments. Therefore, it is trusted for critical functions in power generation, marine propulsion, and compressor control.
Application Context and Wiring
Engineers use this relay as the final output stage from a Woodward governor or controller. For example, it can switch a high-current solenoid valve that controls fuel flow to an engine. The 5463-581 requires proper sizing of external fuses or circuit breakers for load protection. Correct wiring of the coil for either DC or AC operation is essential for reliable performance.
Installation and Safety Guidelines
First, mount the relay securely on a DIN rail or panel within a suitable enclosure. Next, connect the control voltage (24VDC or 120VAC) to the coil terminals, observing polarity for DC. Then, wire the load (e.g., actuator, valve) through the relay’s heavy-duty contact terminals. Finally, always follow local electrical codes and use appropriate wire gauges for the full load current.
Details
| Weight | 0.91 kg |
|---|---|
| Dimensions | 273.6 × 214.1 × 59.2 mm |
Reviews
There are no reviews yet.