Overview
The Square D 9050-BO22E is a pneumatic off-delay timing relay from Schneider Electric’s established 9050 product line. This Series C relay delivers precise timing control for industrial automation, motor circuits, and sequential process control. Pneumatic timing relays are valued in applications where solid-state electronics may present challenges, offering mechanical reliability and straightforward integration into existing panel layouts.
Key Features
- Pneumatic off-delay timing mechanism for accurate cycle control
- Compact panel-mount design with screw-clamp terminals
- Series C construction for proven industrial reliability
- Double-pole configuration for multi-circuit switching
- Adjustable timing range to suit various application requirements
- UL Listed and CSA Certified for North American installations
Technical Specifications
The 9050-BO22E follows the standard architecture of the Square D 9050 series pneumatic timing relay family:
- Contact Configuration: 2-pole (double-pole)
- Contact Rating: 15 Amperes
- Voltage Rating: Maximum 600V AC/DC
- Timing Mode: Off-delay
- Timing Range: Adjustable 0.1 second to 1 minute
- Terminal Type: Screw clamp
- Mounting: Panel mount
- Operating Temperature: Up to 104°F (40°C)
- Approvals: UL Listed, CSA Certified
Typical Applications
- Motor soft-start control and run-down timing
- Pump motor sequencing and off-delay shutdown
- Compressor load/unload timing
- Conveyor system startup and stopping sequences
- HVAC system control and damper operation
- General industrial machinery timing and interlocking
Compatibility & Replacements
Compatible With
- 480V, 240V, and 120V AC/DC control circuits
- Standard industrial motor starters and contactors
- Pneumatic and electromechanical control panels
- Equipment requiring off-delay timing functionality
- Direct replacement in existing Square D 9050 panel layouts
Replaces / Drop-In Replacement For
The 9050-BO22E replaces earlier pneumatic timing relay designs within the Square D 9050 family. Verify compatibility with your system integrator before ordering to confirm the exact model requirements for your application.
Works With
- Square D electrical control panels and enclosures
- Industrial motor control circuits (AC/DC)
- Traditional relay-based automation systems
- Equipment using pneumatic timing and mechanical relay logic
- Maintenance-friendly hardwired control systems
