NINGBO KEYONG JINGSHENG ELECTRICAL APPLIANCE CO., LTD. offers the KLE (4117) Miniature Automotive Heavy Power Relay, a compact and reliable solution designed for heavy-duty switching applications. Featuring low coil power consumption, up to 20A switching capacity, and multiple contact arrangements, this PCB-mounted relay supports stable performance and flexible circuit integration. Widely used in household appliances, automation equipment, and automotive electrical systems, the KLE (4117) is an efficient and cost-effective choice for global buyers seeking dependable relay solutions from an experienced manufacturer.
The Miniature Automotive Heavy Power Relay features a compact miniature design with high-current switching capability, making it ideal for automotive electrical control systems requiring reliable and space-saving performance. Built with durable silver alloy contacts, low power coil consumption, and excellent resistance to vibration, dust, moisture, and high temperatures, this heavy-duty automotive relay ensures stable switching, long electrical life, and dependable operation in harsh environments. Supporting multiple mounting options and 12V/24V applications, the relay is widely used in automotive lighting, cooling fans, fuel pumps, HVAC systems, EV equipment, and industrial power control solutions.
High Manufacturing Standards
NINGBO KEYONG JINGSHENG ELECTRICAL APPLIANCE CO., LTD. focuses on precision automotive relay manufacturing with strict quality control and stable product consistency.
OEM & ODM Support
●Customized solutions available including:
●Coil voltage customization
●Terminal structure customization
●Logo printing
●Packaging solutions
●Performance optimization
Global Export Experience
Products are widely exported to Europe, Southeast Asia, the Middle East, South America, and other global markets.
| Contact arrangment | 2A/2B/2C |
| Voltage drop(at 10A) | ≤100mV |
| Contact material | Silver alloy:AgSnO₂ In₂O₃、AgSnO₂、AgNi |
| Contact rating | A,B,C:10A/120VAC,28VDC 20A/14VDCU,V,W:2x10A/120VAC 28VDC 2×20A/14VDC |
| Max switching voltage | 75VDC 380VAC |
| Max switching current | 20A |
| Electrical endurance(Frequency:1800 ops/h) | 1×10⁵ops/1×10⁴ops |
| Mechanical endurance(Frequency:18000 ops/h) | 1×10⁷ops |
| Power consumption(W) | 1.1W(L) | 2.0W(D) | ||||||||||
| Nominal voltage(VDC) | 5 | 6 | 9 | 12 | 18 | 24 | 5 | 6 | 9 | 12 | 18 | 24 |
| Coil resistance(Ω±10%) | 22.7 | 32.7 | 73.6 | 130.9 | 294.5 | 523.6 | 12.5 | 18 | 40.5 | 72 | 162 | 288 |
| Pick-up voltage(Max) | 75%(Nominal voltage) | |||||||||||
| Drop-out voltage(Min) | 10%(Nominal voltage) | |||||||||||
| Max allowable overdrive voltage(VDC) | 130%(Nominal voltage) | |||||||||||
| Insulation level | B/F | |
| Insulation resistance | 100MΩ(500VDC) | |
| Dielectric strength(Leakage current 1mA) | Between coil and contacts | 750VAC 1min |
| Between open contacts | 750VAC 1min | |
| Operate time(at nominal voltage) | ≤10ms | |
| Release time(without diode)(at nominal voltage) | ≤5ms | |
| Humidity | 5%～85%RH | |
| Ambient temperature | -40℃~+85℃/+105℃ | |
| Shock resistance | 100m/s²11ms | |
| Vibration resistance(Double amplitude) | 10Hz~55Hz 1.5mm | |
| Weight | Approx 12g | |
| Construction | Sealed/Flux proofed | |
The Miniature Automotive Heavy Power Relay is widely used in:
●Automotive electrical systems
●EV charging systems
●Cooling fan control
●Fuel pump systems
●Automotive lighting systems
●HVAC systems
●Battery management systems
●Starter control systems
●Industrial automation equipment
●Agricultural machinery
●Engineering vehicles
Compared with conventional automotive relays, this miniature heavy power relay offers:
●Smaller installation size
●Higher power density
●Better heat dissipation
●Lower power consumption
●More stable switching
●Higher durability in compact systems
Ideal for modern automotive electronics and intelligent vehicle systems.
1.What is a Miniature Automotive Heavy Power Relay?
A miniature automotive heavy power relay is a compact electromechanical switching device designed to control high-current automotive circuits while saving installation space.
2.What voltage options are available?
Common coil voltages include 12VDC and 24VDC for automotive and industrial applications.
3.Is the relay suitable for harsh environments?
Yes. The relay is designed with dustproof or sealed protection and offers excellent vibration and temperature resistance.
4.Can you provide customized automotive relay solutions?
Yes. KEYONG Relay Manufacturer
provides OEM and ODM customization services for global automotive relay buyers and distributors.
Address
350 Renmin North Road, Hengxi Town, Yinzhou District, Ningbo City, Zhejiang Province, China
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