NINGBO KEYONG JINGSHENG ELECTRICAL APPLIANCE CO., LTD. KY13F (18F) Multi Featured Miniature Power Relay is a compact, high-reliability relay designed for efficient switching applications. It supports up to 20A (1-pole) and 12A (2-pole) load capacity with low coil power consumption and stable performance. This miniature power relay is widely used in household appliances, automation systems, telecommunications, and industrial equipment. With PCB and socket mounting options, optional LED indicator, diode, and push-to-test function, it offers flexible installation and easy maintenance. RoHS compliant and suitable for OEM and bulk supply, it ensures long-term durability and consistent operation in demanding environments.
| Feature | Miniature Power Relay | Standard Relay |
|---|---|---|
| Size | Compact, PCB-friendly | Larger size |
| Power Consumption | Low coil power | Higher energy usage |
| Switching Speed | Faster response | Slower mechanical action |
| PCB Integration | Easy automated soldering | Limited PCB suitability |
| Reliability | High stability, long life | Moderate durability |
| Application Range | Electronics, automation, smart devices | Basic industrial control |
High Reliability Switching
Stable contact resistance ensures long-term switching reliability even under continuous load conditions.
Low Coil Power Consumption
Optimized electromagnetic structure reduces energy consumption and improves overall system efficiency.
Excellent Insulation Performance
5kV dielectric strength provides enhanced electrical safety for industrial and household applications.
Compact PCB Design
Miniature size helps save installation space while maintaining strong switching capability.
| Contact arrangment | 2A,2C |
| Contact resistance | ≤100mΩ(1A 6VDC) |
| Contact material | Silver alloy:AgSnO₂ In₂O₂、AgSnO₂、AgNi |
| Contact rating(Res.load) | 10A 250VAC |
| Max switching voltage | 250VAC/300VDC |
| Max switching current | 10A |
| Max switching power | 2500VA/300W |
| Electrical endurance(Frequency:360 ops/h) | 1×10⁵ops/1×10⁴ops |
| Mechanical endurance(Frequency:18000 ops/h) | 1×10⁷ops |
| Power consumption(W) | 0.9W/1.1W | ||
| Nominal voltage(VDC) | 12 | 24 | 48 |
| Nominal current(mA) | 75 | 36.9 | 18.5 |
| Resistance(Q±10%) | 160 | 650 | 2600 |
| Pick-up voltage(Max) | 75%(Nominal voltage) | ||
| Drop-out voltage(Min) | 10%(Nominal voltage) | ||
| Max allowable overdrive voltage(VDC) | 130%(Nominal voltage) | ||
| Insulation level | Class B/Class F | |
| Insulation resistance | ≥100MΩ | |
| Dielectric strength(Leakage current 1mA) | Between coi and contacts | 1500VAC minute |
|
|
Between open contacts | 1000VAC minute |
| Operate time(at nominal voltage) | ≤25ms | |
| Release time(without diode)(at nominal voltage) | ≤25ms | |
| Humidity | 5%～85%RH | |
| Ambient temperature | -40℃~+85℃/+105℃ | |
| Shock resistance | Functional | 98m/s² |
|
|
Destructive | 980m/s² |
| Vibration resistance | 10Hz~55Hz 1.0mm Double amplitude | |
| Weight | Approx 35g | |
| Construction | Dustproof type | |
automatic control, telecommunication equipment, household electrical appliances and machinery electrical facilities.
Q1: What is a Multi Featured Miniature Power Relay used for?
It is used to control high-current circuits with a low-power signal. It is widely used in household appliances, industrial automation, and smart control systems.
Q2: How do I choose the correct relay current rating?
You should select a relay with at least 1.5 times higher current rating than your actual load to ensure safe and reliable operation.
Q3: What is the difference between 1 Form A, 1 Form B, and 1 Form C?
Form A: Normally Open (NO)
Form B: Normally Closed (NC)
Form C: Changeover (SPDT)
Form C is the most flexible type for industrial applications.
Q4: Can miniature power relays be used in industrial applications?
Yes. High-quality miniature power relays are widely used in industrial automation, PLC systems, and control panels.
Q5: What affects the lifespan of a relay?
Key factors include:
Load current level
Switching frequency
Environmental temperature
Contact material quality
Q6: Are these relays suitable for PCB mounting?
Yes. Miniature power relays are specifically designed for PCB integration and automated soldering processes.
Q7: Can I customize coil voltage or specifications?
Yes, many manufacturers support OEM/ODM customization such as coil voltage, contact rating, and housing design.
| Selection Factor | What to Check | Recommended Practice |
|---|---|---|
| Rated Load Current | Actual working current | Choose ≥1.5× safety margin |
| Coil Voltage | Control circuit voltage | Match system exactly (3V/5V/12V/24V) |
| Contact Form | Control function | Form C for flexible switching |
| Switching Type | AC or DC load | Match AC/DC rating precisely |
| Electrical Life | Operation cycles | ≥100,000 cycles minimum |
| Environment | Temperature, humidity, vibration | Ensure industrial-grade rating |
Coil Voltage Selection
| Coil Voltage | Typical Application |
|---|---|
| 3V DC | Micro electronic devices, low-power circuits |
| 5V DC | USB systems, control boards |
| 12V DC | Industrial equipment, automotive electronics |
| 24V DC | PLC systems, automation control panels |
| Contact Type | Description | Typical Use |
|---|---|---|
| 1 Form A (NO) | Normally Open | Standard ON/OFF control |
| 1 Form B (NC) | Normally Closed | Safety circuits, fail-safe systems |
| 1 Form C (SPDT) | Changeover contact | Switching between two loads |
| Rated Current | Suitable Applications |
|---|---|
| 5A – 8A | Signal devices, small electronics |
| 10A – 16A | Household appliances, control modules |
| 20A+ | High-power systems, industrial equipment |
Address
350 Renmin North Road, Hengxi Town, Yinzhou District, Ningbo City, Zhejiang Province, China
Tel
