Need more information?
Phoenix Contact 2903684
Single relay REL-IR4/L-120AC/4X21AU
Product Description
The REL-IR4/L-120AC/4X21AU is a plug-in industrial relay that incorporates power contacts along with hard gold plating for enhanced durability. This model is equipped with four changeover contacts, a mechanical switching position indicator, and a test button for operational verification. The coil operates at a voltage of 120 V AC.
With a typical input current of 13 mA and a response time that varies between 5 ms and 15 ms depending on phase relation, this relay ensures reliable switching performance. It features a mechanical service life of approximately 20 million cycles and operates effectively within an ambient temperature range of -40 °C to 55 °C. The relay's contact material is AgNi, providing robust performance under maximum switching conditions of 250 V AC/DC and a limiting continuous current of 6 A.
For added safety, the relay meets insulation specifications with a rated insulation voltage of 250 V AC and a test voltage of 2.5 kVrms between winding and contacts. The degree of protection is classified as RT I, ensuring suitability for various industrial applications. Compliance with IEC 60664 standards further affirms its reliability in operational settings.
Need more information?
Offer details
- Offer from:
Trusted supplier — Germany, member since 2024
- Availability:
- On requestLead time to be confirmed
- Warranty:
- 12 months
- Condition:
- New Factory Sealed
Specifications
- Brand
- Phoenix Contact
- Coil Voltage
- 120 V AC
- Item number
- 2903684
- Packing unit
- 10 pc
- Minimum order quantity
- 10 pc
- Product key
- DK694A
- Operating mode
- 100% operating factor
Available Offers
(1)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
| Condition New Factory Sealed | Availability On requestLead time to be confirmed | Supplier | Warranty 12 months |
Offer with manufacturer lead time
Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.
Documents
Data Sheet
Datasheet for Phoenix Contact 2903684, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 19-09-2026

Market insights for 2903684
Get real-time analytics and market data for 2903684 and other products from the Contactors & Relays category to optimize your purchasing decisions
- Real-time stock availability data from 700 MRO distributors in Europe and USA
- Price analysis by condition (new, used, refurbished) with market median prices
- Critical component availability monitoring to prevent production downtime