Overview
There are 3 models for plastic cabinet automatic reset type circuit breaker. They are E516, E517 and E518, one of the members of 10-32 stud circuit breaker, which is widly used in vehicle, marine, battery chargers etc. This series are heavy duty circuit breakers from 5A to 50A and can be applied to 6-28V DC applications.
The function of circuit breaker is: when the circuit occurs a short circuit, serious overload, loss of voltage and other dangerous faults, circuit breaker can automatically cut off the faulty circuit, effectively protect the series connected behind the electrical equipment. Therefore, circuit breaker is a very important protection appliance in distribution network. Circuit breakers are widely used in electrical engineering because of their advantages such as safe operation, adjustable action value, good breaking ability and taking into account various protection functions.

E516, E517 and E518 belong to Type Ⅰ auto reset stud circuit breaker. The cabinet is made of plastic.
E516 is a stud mounting type. E517 is a horizontal mounting bracket, and E518 is a parallel mounting bracket.
The overcurrent breaker is a bimetallic structure that can quickly shut down electric vehicle circuits if they become overloaded, protecting the entire circuit.

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Circuit breaker can protect the circuit from a high current short circuit.
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Through its thermal trip it can protect the circuit from overload conditions. A circuit breaker will trip if too large a draw or current flow occurs across a thermal shunt inside.
- It's easy for mounting.
- Trip-off time is customizing and adjustable according to customers' demands.
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The design allows the thermal circuit breaker to be extremely cost-effective while remaining durable and reliable.
Specifications
| Product name: | Auto Reset Shortstop Circuit Breaker |
Model no.: |
E516, E517, E518 |
|
Rated voltage: |
14/28V DC | Rated current: | 3A-60A |
| Reset Type: | Automatic Reset, typy Ⅰ | Number of poles: | Single Pole |
| Case: | Plastic | Mounting: | Stud Mount(E516), Bracket Mount(E517, E518) |
| Function Type: | Thermal Trip-free, Cycling | Termination: | 10-32 Thread |
| Ingress protection rating: | IP66 for plastic cover | Interrupt capacity: | 28Vdc X 1000A |
| Resetable overload capacity: | 10 times rated current | Terminal identification: | Line = Aux; Load =Bat |
| Compliance: | SAE J553; SAE J1171 | Contact Endurance: | 28Vac X 150% of rated current > 500 cycles |
Temperature Derating Curves

Dimension

E16 Auto Reset Stud Type Circuit Breaker

Plastic case without mount

E17 Horizontal Bracket Circuit Breaker

Plastic case with horizaontal mounting bracket

E18 Parallel Bracket Circuit Breaker

Plastic case with parallel mounting bracket
Notice

Installation notice:
The silver column (AUX) indicates in and the copper column (BAT) indicates out. They only protect one way. The bolt has a battery and power label. The gold studs are battery studs.
Note that the two threaded studs of the circuit breaker do not touch metal. Studs carry battery voltage and must be insulated from any conduction including metal fenders.

E516, E517 and E518 circuit breakers are Type 1, which are auto reset breakers. Auto reset means that the breaker can self-reset without any help from users.
So circuit breaker provides continuous protection until the overcurrent is found and corrected. Then it automatically resets.
The breaker will trip (disconnect the power) when it detects the overload current. It will self-reset.
Appliance

yachts

vehicle

battery charger

electronmechanical equipment

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automotive
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electromechanical equipment
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vehicle
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marine
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off-road and other vehicles
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yachts and ships
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truck applications
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battery chargers
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car engines electrical control etc.
Factory Tour
Dongguan Senreach Electronics Co.,ltd is located in Shijie town, Dongguan city, Guangdong province, China, where is 2 hours driving from Shenzhen and Guangzhou ports. It covers an area of 4,000 square meters and has a monthly production capacity of 50 million pieces. We are specialized in the design, development, production and sale of over-current protection, over-temperature protection, and over-voltage protection, serving and supporting various large brands and companies around the world.
Our products are in compliance with the quality standards of ISO 9001 and environmental standards of ISO 14001. They are manufactured in a way that promotes environmental conservation activities while maintaining high quality. We deliver maximum value with disciplined execution to ensure the highest quality and efficiency. Our facotry has automatic assembly and welding machine, cap adding machine, engraving machine, auto molding machine and etc.
With Senreach, you gain access to a trusted long-term partner, highly customizable parts, and an educated, motivated distribution network. Our mission is to give power back to our customers. Welcome to visit our facotry.

equipment

equipment

workshop

production machine

production machine

machine shop

IQC

test equipement
Why Choose us

Cost Advantage
We have our own factory and build our own molds which enable us to offer the first-hand price to our customers.

Good Quality
Every piece of product pass full inspection by both auto test equipments and our QA team.

Factory Wholesale
We have open stock for standard product in warehouse. So we can finish order in a short lead time and make fast delivery.

full service
We have R&D, QA, sales and after-sales team to offer you a full service including selection recommendation, technical support, after-sales protection.

Packing & Shipping
We can pack and lable the goods according to customers' requirements. If there's no specified packing request, then we will pack the goods in our standard package, PE bag, inner box and outer carton. Details please contact sales.



FAQ of Circuit Breaker
Q1. What is your terms of packing?
A: Generally, we pack our goods in PE bag and brown carton.
Q2. What is your terms of payment?
A: T/T 50% deposit, and 50% balance before delivery.
Q3. What is your trade terms?
A: EXW, FOB, CIF, DDU, DDP, DAP and etc.
Q4. What is the shipping method?
A: We can arrange shipment by air, by sea, by railway and by truck.
Q5. How about your delivery time?
A: Generally, it will take 3-7 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
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