Contact Us
- 1289 Tanjialing West Road, Lanjiang Street, Yuyao City, Zhejiang Province, China
- humphreyzhu@nbc-relays.com
- +86-574-62824561

Sealed 5pin 12V 24V 30A 40A Round Base Waterproof Car Relay
◆ Fit for automotive central door lock,wiper,instrument,security system,flash lamps,seat heating,etc.
◆ Dimension:12.9*12*9.9mm
◆ It Can replace Hongfa’s similar relay with model No.HFKC
◆ It Can replace Songchuan’s similar relay with model No.YH520/YH527
Description
Market competition requires our company to meet the needs of customers quickly, create new automotive relay 12v 50a, anti theft system relay, Quick terminal and Flange relay and realize the rapid response to market demand. Our development plan demonstrates our determination to contribute to solving diverse social issues through our own technologies. In today's increasingly fierce competition and rapid technological change, our company pays attention to science and technology and information. Advanced machinery and equipment and scientific management make our products have a good reputation in the industry. We explore personal potential, activate team creativity, set up the concept of being the first, and overcome the stereotype of thinking.
1 Product Overview of automotive timer relay
Product feature:
◆ Subminiature,high power automotive relay
◆ Switching current Max.30A
◆ Light weight
◆ Sealed&Dust-proof types avaliable
◆ Fit for automotive central door lock,wiper,instrument,security system,flash lamps,seat heating,etc.
◆ Dimension:12.9*12*9.9mm
◆ It Can replace Hongfa's similar relay with model No.HFKC
◆ It Can replace Songchuan's similar relay with model No.YH520/YH527
Designation, We will give precise introduction if you contact our sales department.
Name rule :
MK - C -S - 12
1 2 3 4
1 Model No.
2 Contact Form: A: Normally open C: Normally open & close
3 Construction: S: Sealed type E: Flux tight type
4 Nominal Coil Voltage: 6,10,12, 24V(DC)
2 Figure table of automotive timer relay
| Contact Rating | ||||||||||||||
| Contact Form | 1A:SPSTNO; 1C:SPDT(B-M) | |||||||||||||
| Contact Material | AgSnO2 AgNi | |||||||||||||
| Contact Load Capacity | NO:30A; NC:25A | |||||||||||||
| Switching Voltage Max. | 16 VDC | |||||||||||||
| Switching Current Max. | 30A | |||||||||||||
| Load Min. | 1A/6VDC | |||||||||||||
| Voltage Drop | ≤50mV ( @10A) | |||||||||||||
| Life Expectancy | Machanical | 1*107 | ||||||||||||
| Electrical | See below charts | |||||||||||||
| SPST:1A | SPDT:1C | |||||||||||||
| Load Voltage | Load Type | Current (A) | On&Off | Life Expectancy | Load Voltage | Load Type | Current (A) | On&Off | Life Expectancy | |||||
| On(s) | Off(s) | On(s) | Off(s) | |||||||||||
| 13.5VDC | Resistive | On | 20 | 1 | 5 | 3*105 | 13.5VDC | Resistive | On | 20 | 1 | 5 | 3*105 | |
| Off | 20 | Off | 20 | |||||||||||
| Wiper motor load | On | 25 | 0.2 | 2 | 3*105 | Flash lamp | On | 3*21w | 0.365 | 0.365 | 2*106 | |||
| Off | 5 | 1.8 | Off | |||||||||||
| Motor Lock | On | 20 | 0.2 | 2 | 1*105 | Front lamp | On | 40 | 2 | 2 | 1*105 | |||
| Off | 20 | Off | 10 | |||||||||||
| Coil Rating(20℃) | ||||||
| Coil Voltage (VDC) | Pick up Max. (VDC) | Drop out Min. (VDC) | Coil Resistance (1±10%)Ω | Power (W) | Coil Voltage Max.(VDC) | |
| 20℃ | 85℃ | |||||
| 5 | 3 | 0.62 | 45 | 0.55 | 6.5 | 10.5 |
| 10 | 6 | 1.25 | 181 | 0.55 | 13 | 22 |
| 12 | 7 | 1.5 | 255 | 0.55 | 16 | 26 |
| 6.9 | 1.5 | 181 | 0.8 | 13 | 22 | |
| 24 | 14 | 3 | 1050 | 0.55 | 32 | 52 |
Technical Rating | ||
Insulation Resistance | 100MΩ(500VDC) | IEC 60255-5 |
Dielectrical Strength | 500VAC 1min | IEC 60255-5 |
Operate Time | ≤10ms , Typical≤4ms | |
Release Time | ≤10ms ,Typical≤3ms | |
Shock Resistance | 294m/s 2 | IEC 68-2-27 test Ea |
Vibration Resistance | 10Hz~50Hz 58.8m/s2 | IEC 68-2-6 test Fc |
Leading-out Terminal | PCB terminal | |
Weldability | (250±3)℃ ,(3±0.3)s | |
Ambient Temperature | ﹣40℃~105℃ | |
Package | Sealed,Dust-proof type | |
Weight | Approx.4g |
3 Size and circuitry of automotive timer relay
Outline Dimensions

Bottom View PCB Layout

Wiring Diagram ( Bottom View)
4.FAQ
Q: What is your main market?
A: Europe, The North America, South America, Australia, The middle east, and etc.
Q: How do you provide after-sale service ?
A: Normally our whole seller will provide after-sale service, if you are whole seller so you can contact us if you met such problem.
We will operate steadily, keep making progress, and strive to become a first-class company of Sealed 5pin 12V 24V 30A 40A Round Base Waterproof Car Relay. Our company adheres to the consistent tenet of 'quality for survival, reputation for development', actively introduces high-tech and talents and realizes the enterprise development path of large-scale operation, intensive scientific research and technology and standardized production and service procedures. With our excellent service quality and professional technology, we can provide different solutions and after-sales services for various customer groups.
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