Overview
The Square D 8501-NR45 is a miniature plug-in relay socket designed for Class 8501 Series general-purpose relays. This double-tiered socket features a 14-pin spade configuration and is rated for 7A at 300V AC. The socket accepts standard relay pins and provides a secure, reliable connection suitable for industrial control panels, HVAC systems, lighting control, and general automation applications.
Key Features
- 14-Pin Spade Design – Standard blade pin configuration for Class 8501 relay compatibility
- Double-Tiered Screw Terminals – Stacked terminal arrangement to minimize panel space
- DIN Rail & Panel Mount – Flexible mounting on 35mm DIN rail or directly to enclosure panels
- 7A 300V Rating – Suitable for low-voltage control circuits in industrial applications
- UL/CSA Certified – Component recognized by UL and certified by CSA for safety compliance
- Wire Clamp Terminals – Pressure wire clamps accept 16–22 AWG conductors for secure wiring
Technical Specifications
- Contact Rating: 300V AC, 7A
- Pin Configuration: 14-pin spade
- Mounting Style: DIN Rail (35mm) / Panel Mount
- Terminal Type: Double-tiered screw clamp
- Wire Size: 16–22 AWG
- Socket Type: Miniature plug-in (Type R)
- Approvals: UL component recognized, CSA certified
Typical Applications
- Industrial control panels and process automation
- HVAC/R control systems
- Lighting control and switchgear circuits
- Material handling and processing equipment
- Low-voltage relay logic circuits and motor control
- Commercial and industrial building automation
Compatibility & Replacements
Compatible With
- Class 8501 Series miniature general-purpose relays (8501RS, 8501RSD, 8501K series)
- DIN-rail enclosures and panel-mount control systems
- Standard 35mm DIN rail mounting infrastructure
- Industrial control cabinets and junction boxes
Replaces / Drop-In Replacement For
- 8501RS4, 8501RSD4 – 4-pole relay sockets
- 8501RS14, 8501RSD14 – 1 N.O. / 4 N.C. relay configurations
- 8501RS24, 8501RSD24 – 2 N.O. / 4 N.C. relay configurations
- 8501RS34, 8501RSD34 – 3 N.O. / 4 N.C. relay configurations
Works With
- Class 8501 Type R general-purpose relays
- Pressure wire clamp terminal connections (standard industrial wiring)
- Industrial automation software and control logic systems that utilize 8501-series relays
- Standard electrical drawing and schematic design tools








