Square D 389FX 389F SE Series DPDT Power Relay, 24 VDC Coil

Square D 389F SE Series DPDT Power Relay, 24 VDC Coil, Plug-In Socket Mount

The Square D 389F SE Series power relay is a DPDT plug-in power relay engineered for high-power switching applications in industrial and commercial control panels. Available with a Motor FLA contact rating spanning 20A to 25A at 300VAC, this relay holds motor loads up to 1.5hp at 200/240V AC 50/60Hz, with a nominal coil voltage of 24 VDC and a maximum switching voltage of 600V AC. The plug-in socket mount design allows for fast installation and maintenance-free replacement, making the 389F series a dependable choice for machine control and OEM equipment where reliable, high-current switching is required.

Key Features

• Configuration: DPDT contact arrangement for flexible multi-circuit switching.
• Coil Voltage: 24 VDC nominal input voltage with an operating voltage range of 0.8...1.1 Uc DC.
• Motor FLA / Contact Rating: Available from 20A to 25A at 300VAC (UL/CSA rated operational current), suitable for high-power switching loads.
• Motor Load Capability: Holds motor loads up to 1.5hp at 200/240V AC 50/60Hz, 1hp at 120...200V AC, and 1hp at 600V AC.
• Maximum Switching Voltage: 600V AC for demanding power-switching circuits.
• Mounting & Termination: Plug-in socket mounting with quick-connect terminals for fast field installation.
• Durability: Rated for 5,000,000 cycles mechanical durability and up to 100,000 cycles resistive electrical load durability.
• Dielectric Strength: 1600V AC between contacts and 2200V AC between coil and contact for reliable isolation.

Certifications & Compliance

• CSA Certified
• cURus Listed
• CE Marked

Technical Specifications

• Voltage Rating: 24VDC
• Amperage Rating: 20A
• Connections/Terminals: Quick
• Mounting Support: Socket
• Short Circuit Current: 3 kA
• Wire Stripping Length: 8 mm
• Ambient Air Temperature for Storage: -30 to 85 °C
• Average Impedance: 4 mOhm
• Country of Origin: China
• Sustainable Packaging: Yes
• Packaging Without Single Use Plastic: Yes
• Reach Free of SVHC: Yes
• ROHS Eur Full Compliance Status: Pro-active compliance (Product out of EU RoHS legal scope)

Typical Applications

• Industrial and Commercial Control Panels
• OEM Machine Control Circuits
• Motor Load Switching up to 1.5hp
• High-Power Switching Applications
• Panel Building and System Integration

Why Square D?

Square D SE Relays deliver high contact ratings across the Motor FLA range and long electrical endurance backed by CSA, cURus, and CE certifications, making the 389F series a dependable choice for high-power switching in control panels and OEM equipment. The plug-in socket design and quick-connect terminals simplify installation and replacement, while durable construction rated for millions of mechanical cycles supports long-term, code-compliant performance for professional electrical work.