Omron G3NA-D210B-UTU DC5-24 — DC SSR, 10 A at 5–200 VDC
SKU: G3NA-D210B-UTU DC5-24USD 20.00
Solid State Relay with DC output, 10 A load at 5 to 200 VDC, DC input 5 to 24 VDC control, photocoupler isolation, screw terminals, hockey-puck style with built-in LED indicator, UL/CSA/TÜV certified.
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Product Overview
The G3NA-D210B-UTU DC5-24 is Omron's 10 A DC-output Solid State Relay in the G3NA hockey-puck family, designed to switch DC loads such as solenoid valves, DC heating elements, brushless DC motor coils, and LED lighting arrays from a low-current DC control signal. Unlike AC-output SSRs which use a triac and benefit from zero-cross switching, the G3NA-D uses a power MOSFET output stage that switches the DC load on and off cleanly in both directions — there is no AC zero-cross concept for DC loads.
Where the G3NA-D fits in the Omron SSR lineup
The G3NA family is Omron's hockey-puck-style SSR, sharing a uniform mounting pitch so panels can hold a mix of AC and DC output units without drilling new holes. Within the G3NA-D sub-family (DC output), the part number breaks down as: G3NA = family, -D = DC output, 2 = 200 V class load voltage, 10 = 10 A rated load current, B = screw terminals, UTU = UL + CSA + TÜV certified. Pick the G3NA-D210B-UTU DC5-24 (this SKU) for 10 A DC loads up to 200 VDC.
Wiring and thermal considerations
The control input is on terminals 3 (+, blue or positive) and 4 (-, white or negative); wire the 5 to 24 VDC control signal here, typically a PLC transistor output or a 24 VDC auxiliary relay. The load is on terminals 1 and 2 (LOAD, polarity-insensitive since the MOSFET output is bidirectional). Mount the SSR to a metal heatsink or chassis with thermal compound if the load current exceeds about 5 A continuously — a 10 A DC load at 100 % duty cycle dissipates around 12 to 15 W in the MOSFETs and the unit will thermal-limit without a heatsink.
Applications in industrial panels
Common applications include switching 24 VDC solenoid valves on a packaging line from a PLC output (silent, fast, no mechanical wear), switching 48 VDC or higher heating elements in a process heater (PWM for proportional control), switching DC indicator lamps in a control panel from a low-current logic signal, and switching brushless DC motor phase windings in a small motion axis (in combination with the appropriate brushless-drive logic). On a printing press, G3NA-D210B units switch the ink-fan DC motors that control ink supply to each print station. On a battery formation line, the same SSR switches the charging current to individual battery cells under test.
Key Features
- DC-output Solid State Relay, 10 A at 5 to 200 VDC
- DC input control, 5 to 24 VDC at 7 mA max
- Photocoupler isolation between input and load
- MOSFET output stage, no moving parts, silent switching
- Microsecond switching speed for PWM proportional control
- Screw terminals for both input and load
- Built-in operation indicator LED
- Surface-mount hockey-puck housing, 43 × 58 mm
- SKU: G3NA-D210B-UTU DC5-24
- Series: G3NA (Hockey-puck SSR)
- Voltage: 5 TO 200 VDC
- I/O: 5 I/O
Best-Fit Applications
- Switching 24 VDC solenoid valves on a packaging line from PLC transistor outputs
- PWM proportional control of a 48 VDC process heater from a temperature controller
- Switching brushless DC motor phase windings in a small motion axis via PLC logic
- Switching DC indicator lamps in a control panel from a 24 VDC logic signal
Buying Checklist
- Pick G3NA-D210B-UTU DC5-24 for 10 A DC switching up to 200 VDC
- Pick G3NA-D220B for 20 A DC, or G3NA-D240B for 40 A DC at the same 200 VDC rating
- Pick G3NA-210B-UTU AC100-240 if the load is an AC device
- Pick G3PE-225B for higher inrush surge
- Pick G3PA-220B-VD for three-phase heater control with built-in heatsink
- Mount to a metal chassis with thermal compound if continuous current exceeds 5 A
Technical Specifications
| Model | G3NA-D210B-UTU DC5-24 |
|---|---|
| Series | G3NA (Hockey-puck SSR) |
| Type | DC-output Solid State Relay |
| Mounting Method | Surface mount with screws |
| Terminal Type | Screw terminals |
| Rated Load Voltage | 5 to 200 VDC |
| Operating Load Voltage Range | 4 to 220 VDC |
| Rated Load Current | 10 A |
| Peak Surge Current | 20 A (1 s) |
| Rated Input Voltage | 5 to 24 VDC |
| Operating Input Voltage | 4 to 32 VDC |
| Input Current | 7 mA max |
| Must-Operate Voltage | 4 VDC max |
| Must-Release Voltage | 1 VDC min |
| Output Stage | Power MOSFET (bidirectional) |
Resources & Downloads
FAQ for G3NA-D210B-UTU DC5-24
What is the difference between G3NA-D210B and G3NA-210B?
The D prefix means DC output (MOSFET, bidirectional load terminals, no zero-cross concept); the plain G3NA-210B is AC output (triac, zero-cross switching for low-noise AC loads). Pick the D version for DC solenoids, DC heaters, DC motors, and battery switching; pick the AC version for AC solenoids, AC heaters, AC lamps, and any AC mains-driven load.
Does the G3NA-D210B-UTU DC5-24 have a built-in heatsink?
No — the G3NA-D210B-UTU ships as a panel-mount hockey-puck module that requires an external heatsink for continuous high-current operation. Omron's Y92B-P series DIN-rail heatsinks accept the G3NA footprint, or you can mount the SSR directly to a metal chassis with thermal compound. At 10 A continuous DC load, expect about 12 to 15 W of dissipation; at 5 A the unit runs cool without a heatsink.
Can the G3NA-D210B-UTU do PWM proportional control?
Yes — the MOSFET output stage switches in microseconds, so a PWM signal at the input (e.g. from a temperature controller) gives proportional DC output power to the load. Typical PWM frequencies are 100 Hz to 1 kHz for DC heaters; for DC solenoid valves use on/off control rather than PWM to keep the valve fully seated or fully released.
Is the G3NA-D210B-UTU polarity-sensitive on the load side?
No — the MOSFET output stage is bidirectional, so you can connect either polarity of the DC load to terminals 1 and 2. The control input (terminals 3 and 4) is polarity-sensitive: connect +24 VDC to terminal 3 (+), 0 VDC to terminal 4 (-). Reverse input polarity will not turn on the LED and the SSR will not switch the load.
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