Universal Relays Safety The contact position can be confirmed through the five small windows. RU Series Using the latching lever, operation can be checked without energizing the coil. The latching lever is color coded for AC and DC coils.(AC coil: Orange DC coil: Green) Non-polarized LED indicator available on plug-in relays. Latching Lever Mechanical Indicator Marking Plate Dimensions 20.4 19.0 LED Indicator Environment Full featured universal miniature relays. RoHS compliant models available. Complies with EU directive 2002/95/EC (Restricted substances: lead, Cadmium,Mercury, Designed with environment taken into Hexavalent Chromium, PBB, PBDE) consideration. Reliable No internal wires. Simple construction. Easy-to-Use See website for details on approvals and standards. Lloyd Register type approved. Marking plate for easy identification of relays (Optional marking plates available in four other colors) Applicable for small loads to maximum contact currents. (See table below) RU2 RU4 RU42 Max. continuous current 10A 6A 3A Min. applicable load 24V DC 1V DC 1V DC (Note) 5mA 1mA 0.1mA Note: Reference value. Green Blue With latching lever Without latching lever DC coil DC coil Orange Red With latching lever Without latching lever AC coil AC coil For more information, visit Relays & Sockets RU Series Universal Relays Single Contact shape APEM Switches & Pilot Lights Plug-in Terminal With Latching Lever PCB Terminal Without Latching Lever Standard (DPDT) Standard (4PDT) Control Boxes Part No. Emergency Termination Latching Lever Style Coil Voltage Code Stop Switches DPDT 4PDT Enabling A24, A100, A110, A200, A220 Switches RU2S- RU4S- Standard D6, D12, D24, D48, D100, D110 Safety Products With RC (AC coil only) RU2S-R- RU4S-R- A100, A110, A200, A220 With Latching Lever Explosion Proof With diode (DC coil only) RU2S-D- RU4S-D- D6, D12, D24, D48, D110 With diode (DC coil only) Terminal Blocks RU2S-D1- RU4S-D1 D24 Reverse polarity coil Plug-in Terminal (*1) Relays & Sockets A24, A100, A110, A200, A220 Standard RU2S-C- RU4S-C- D6, D12, D24, D48, D100, D110 Circuit Protectors With RC (AC coil only) RU2S-CR- RU4S-CR- A100, A110, A200, A220 Without Latching Power Supplies Lever With diode (DC coil only) RU2S-CD- RU4S-CD- D6, D12, D24, D48, D110 With diode (DC coil only) LED Illumination RU2S-CD1- RU4S-CD1- D24 Reverse polarity coil Controllers Without Latching A24, A100, A110, A200, A220 PCB Terminal Simple (*2) RU2V-NF- RU4V-NF- Lever D6, D12, D24, D48, D100, D110 Operator Interfaces Sensors Bifurcated Contact Part No. Development AUTO-ID Specify a coil voltage code in place of in the Part No. Coil Voltage Code Coil Rating 24V AC White shape Relays 100-110V AC Clear Sockets 110-120V AC Blue Plug-in Terminal With Latching Lever DIN Rail 200-220V AC Black Standard Products 220-240V AC Red Part No. Termination Latching Lever Style Coil Voltage Code 24V DC Green 4PDT 6V DC A24, A100, A110, A200, A220 Standard RU42S- 12V DC RJ D6, D12, D24, D48, D100, D110 Voltage marking 48V DC With RC (AC coil only) RU42S-R- A100, A110, A200, A220 With Latching on yellow tape RU 100V DC Lever With diode (DC coil only) RU42S-D- D6, D12, D24, D48, D100, D110 RV8H 110V DC With diode (DC coil only) RU42S-D1- D24 Reverse polarity coil Plug-in Terminal RL (*1) A24, A100, A110, A200, A220 Standard RU42S-C- D6, D12, D24, D48, D100, D110 With RC (AC coil only) RU42S-CR- A100, A110, A200, A220 Without Latching Lever With diode (DC coil only) RU42S-CD- D6, D12, D24, D48, D100, D110 With diode (DC coil only) RU42S-CD1- D24 Reverse polarity coil Without Latching A24, A100, A110, A200, A220 PCB Terminal Simple (*2) RU42V-NF- Lever D6, D12, D24, D48, D100, D110 *1) Plug-in terminal, except for simple types, have an LED indicator and a mechanical indicator as standard. *2) Simple types do not have an LED indicator, a mechanical indicator, and a latching lever. Accessory Name Part No. Ordering No. Package Quantity Color Code Marking Plate RU9Z-P RU9Z-PPN10 A (orange), G (green), S (blue), W (white), Y (yellow) 10 Note: Specify a color code in place of the Part No. When ordering, specify the Ordering No. The marking plate can be removed from the relay by inserting a flat screwdriver under the marking plate. Download catalogs and CAD from