FH21L 12VDC 90A High Current Latching Relay is a high-performance electromagnetic latching relay designed for switching high-current AC loads while consuming power only during switching. With a 90A contact rating, a 12V DC coil, and a compact PCB mount design, it is ideal for smart energy meters, EV charging stations, battery management systems (BMS), photovoltaic systems, industrial automation, power distribution equipment, and other high-power switching applications.
| Parameter | Value |
|---|---|
| Product Type | High Current Latching Relay |
| Brand | Fanhar |
| Model | FH21L |
| Contact Arrangement | 1 Form A (SPST-NO) / 1 Form B (SPST-NC) |
| Coil Voltage | 12V DC |
| Coil Type | Single Coil Latching |
| Contact Material | AgSnO₂ |
| Rated Load | 90A @ 250VAC (Resistive Load) |
| Maximum Switching Current | 90A |
| Maximum Switching Voltage | 277VAC |
| Maximum Switching Capacity | 22500VA |
| Initial Contact Resistance | ≤1mΩ (6VDC, 1A) |
| Coil Resistance | 96Ω ±10% |
| Rated Coil Current | 125mA |
| Rated Coil Power | Approx. 1.5W |
| Set Voltage | ≤9V DC |
| Reset Voltage | ≤9V DC |
| Maximum Allowable Coil Voltage | 18V DC |
| Insulation Resistance | ≥1000MΩ @ 500VDC |
| Dielectric Strength (Open Contacts) | 2000VAC for 1 Minute |
| Dielectric Strength (Coil to Contacts) | 4000VAC for 1 Minute |
| Operate Time | ≤20ms |
| Release Time | ≤20ms |
| Mechanical Life | 100,000 Operations |
| Electrical Life | 10,000 Operations @ 90A, 250VAC Resistive Load |
| Electrical Life (UC2 Test) | 10,000 Operations @ 60A, 253VAC |
| Shock Resistance | Functional: 98m/s², Destructive: 980m/s² |
| Vibration Resistance | 10Hz–55Hz, 1.5mm Double Amplitude |
| Operating Temperature | -40°C to +85°C |
| Operating Humidity | 5% to 85% RH |
| Mounting Type | PCB Through Hole |
| Construction | Flux Proof |
| Dimensions | 38 × 30 × 16.5mm |
| Weight | Approx. 39g |
| Standard | IEC62055-31:2005 UC2 |
| Compliance | RoHS |
| Applications | Smart Energy Meters, EV Chargers, Battery Management Systems (BMS), Power Distribution Equipment, Compound Switches, New Energy Systems, Industrial Automation, Solar Power Systems |
12V 8 Channel Relay Module with Optocoupler
4-Channel 12V Relay Module with Optocoupler
PCB For 1 Channel Relay Module with Optocoupler Input
1 x FH21L 12VDC 90A High Current Latching Relay
Due to the type of products we sell, we accept limited returns. Below are the conditions where we can accept a return request.
If you receive a product damaged during shipment, please notify us within 3 days of receiving the product, supported by proper pictures and a description. Once our support team accepts the return, we will provide a replacement or a complete refund, including the return shipping cost.
If your item looks different from what is shown in the image on our website, we will take the item back and provide a refund or replacement as per your choice.
We don’t accept returns for products damaged due to improper use. Moreover, we don’t accept returns if the ordered product is not suitable for a specific application. Please read the product specifications and datasheet carefully before placing an order. Returns are accepted only within 3 days from the date of delivery.
We ship all over India with free shipping on all prepaid orders above ₹500. For Cash on Delivery (COD) orders, ₹80 will be charged for orders below ₹599 and ₹30 for orders above ₹599.
For any questions related to shipping, please contact our support team at support@quartzcomponents.com.
Note: The minimum order value for COD orders is ₹500.