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CIT Relay and Switch J115F21A24VDCS9 Power Relay

This power relay features a single-pole, single-throw contact arrangement with a 24 V DC coil, rated for 40 A, suitable for PC board and quick connect terminals. It is sealed with a standard profile and consumes approximately 0.9 W of coil power for reliable operation. Constructed with silver tin oxide (AgSnO2) contact material, it offers durable, stable switching capabilities, with high contact resistance and robust shock and vibration resistance. The relay operates within -55°C to +125°C, supporting applications requiring high current switching with dependable performance in industrial settings.

Authorized Distributors
Source:DigiKey
Part No:J115F21A24VDCS.9
Stock:590
Inv Date:05-30-2026
Price: Unit price: $2.36
Buy/RFQ:
Part No:J115F21A24VDCS.9
Stock:900
Inv Date:05-30-2026
Price: Unit price: $1.61
Buy/RFQ:
Part No:J115F21A24VDCS.9
Stock:900
Inv Date:05-30-2026
Price: Unit price: $1.61
Buy/RFQ:

CIT Relay and Switch J115F21A24VDCS9 Power Relay Specifications:

  • Contact Arrangement: SPST N.O., 40A @ 240VAC Resistive, 277VAC Max Switching Voltage, 40A Max Switching Current
  • Coil Voltage: 24VDC
  • Coil Resistance: (externally sourced data, approximately 120 ohms)
  • Coil Power: 0.9W
  • Contact Material: Silver Tin Oxide (AgSnO2)
  • Dimensions: 31.9 mm length, 26.8 mm width, 28.1 mm height
  • Operating Temperature: -55°C to +125°C
  • Vibration Resistance: 10~40Hz, 1.50mm double amplitude
  • Shock Resistance: 200 m/s² for 11 ms
  • Mechanical Life: 10M cycles, Electrical Life: 100K cycles at rated load
  • Insulation Resistance: 2500V rms min.
  • Dielectric Strength: 1500V rms coil to contact
  • Weight: 35g

Buy the CIT-Relay-and-Switch Series J115F21A24VDCS9 Power Relay: 24V DC, 40A

Discover the high-performance power relay with 24 V DC coil and 40 A contact rating, designed for industrial control systems. Sealed and compact, it features AgSnO2 contacts for durability and reliable switching, suitable for high current applications. Its standard profile, quick connect terminals, and robust construction make it ideal for automation, manufacturing, and control panel integration. Ensure efficient and dependable operation with this durable relay, capable of withstanding harsh environments and high electrical loads, delivering smooth operation and long service life.

Order your Division of Circuit Intemuption Technology Series J115F2 power relay today and give your projects the dependable quality they deserve, with high current capacity and sealed design.

Frequently Asked Questions

Where can I buy CIT Relay and Switch J115F21A24VDCS9?

You can click on the BUY or RFQ button to purchase J115F21A24VDCS9 from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part J115F21A24VDCS9?

You can download the J115F21A24VDCS9 datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of J115F21A24VDCS9?

CIT Relay and Switch

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