SONTUOEC is one of the Chinese suppliers/manufacturers specializing in the production of various small electrical appliances STM10-63 Series high breaking miniature circuit breaker has the features of structure advanced, performance reliable, breaking capacity high, appearance elegant and its shell and parts are made of material with impact resistance, strong flame-retardant feature. It is suitable to power system of 50 or 60 frequency, Ue 400V and below, Ui 63A and below.It conforms to the standards IEC60898.1 and GB10963.1
SPECIFICATIONS:
Standard | IEC/EN 60898-1 | ||
Electrical | Rated current In | A | 1,2,4,6,10,16,20,25,32,40,50,63A |
features | Poles | P | 1,2,3,4 |
Rated voltage Ue | V | AC 230, 400 | |
Insulation voltage Ui | V | 500 | |
Rated frequency | Hz | 50/60 | |
Rated breaking capacity | A | 3000, 4500, 6000 | |
Rated impulse withstand voltage(1.2/50)Uimp | V | 4000 | |
Dielectric test voltage at ind.Freq.for 1 min | Kv | 2 | |
Pollution degree | 2 | ||
Thermo-magnetic release characteristic | B,C,D | ||
Mechanical | Electrical life | t | 4000 |
features | Mechanical life | t | 10000 |
Protection degree | IP20 | ||
Reference temperature for setting | ºC | 30 | |
of thermal element | |||
Ambient temperature | ºC | -5~+40(Special application please refer to | |
(with daily average ≤35ºC) | temperature compensation correction) | ||
Storage temperature | ºC | -25~+70 | |
Installation | Terminal connection type | Cable/Pin-type busbar | |
Terminal size top/bottom for cable | mm2 | 25 | |
AWG | 3月18日 | ||
Therminal size top/bottom for busbar | mm2 | 25 | |
AWG | 3月18日 | ||
Tightening torque | N*m | 2 | |
In-lbs | 18 | ||
Mounting | on DIN rail EN 60715(35mm)by means of fast clip device | ||
Connection | From top and bottom |
Main functions of STM10-63 Miniature Circuit Breaker
1.Overload protection: When the current in the circuit exceeds the rated value of the MCB, the STM10-63 Miniature Circuit Breakerwill automatically cut off the circuit within a set period of time to prevent the circuit and equipment from overheating.
2.Short-circuit protection: When a short-circuit occurs in the circuit, the STM10-63 Miniature Circuit Breakerwill cut off the circuit immediately to prevent the short-circuit current from damaging the circuit and equipment.
3.Leakage protection (some MCBs have this function): for MCBs with leakage protection, when there is leakage in the circuit, the STM10-63 Miniature Circuit Breakerwill quickly cut off the circuit to protect personal safety.
Principle of operation of MCBs
MCBs usually contain a thermal magnetic or electronic trip detector inside, which is used to detect changes in the current in the circuit. When the current is abnormal, the striker triggers the tripping mechanism of the MCB, causing the STM10-63 Miniature Circuit Breakerto quickly cut off the circuit.
1.Thermal magnetic striker: It utilizes the heat generated when the current passes through the conductor to trigger the tripping. When the current is too large, the conductor heats up, causing the bimetal inside the thermal magnetic striker to bend, thus triggering the tripping mechanism.
2.Electronic striker: It utilizes electronic components to detect current changes and control the action of the tripping mechanism. When an abnormal current is detected, the electronic striker sends a signal to the tripping mechanism to cut off the circuit.
Application Scenarios of MCB
MCBs are widely used in electrical systems in residential, commercial and industrial areas to protect circuits and equipment from damage caused by abnormal currents. They are usually installed in distribution boxes, switchboards or control cabinets and are used as the main switch or branch switch of a circuit.
Selection and Installation of MCBs
1.Selection: When selecting MCBs, you need to consider factors such as the rated current of the circuit, voltage level, protection characteristics, and whether leakage protection is required. It is also important to ensure that the selected STM10-63 Miniature Circuit Breakercomplies with local electrical safety standards and regulations.
2.Installation: The STM10-63 Miniature Circuit Breakershould be installed in a dry, ventilated environment free of corrosive gases and ensure that it is wired correctly and securely. During installation, relevant electrical safety regulations and operating procedures should be observed.
FAQ
Q1. How does your factory do regarding quality control?
A. All the products will be 100% checked before the shipment.
Q2. Are you a manufacturer or trading company?
A. We are a manufacturer with over 20 years' experience, and we can guarantee our price is first-hand, very cheap and competitive.
Q3. Which payment terms is available?
A. We accept TT, 30% deposit and 70% balance agaisnt copy of BL.
Q4. How's the delivery time ?
A. Usually it will take about 25 days for production.
Q5. Tell me the standard of package?
A. Normally are cartons, but also we can pack it according to your requirement.
Q6. Could I put my logo on it?
A. If you have good quantity, it absolutely no problem to do OEM.
Q7. Do you provide samples? Is it free or extra?Do you provide samples ? is it free or extra ?
A. Yes, we could offer the samples for free charge, but the express charge need to be paid by the buyers.
Q8. What is your terms of payment?
A. We accept TT, 30% deposit and 70% balance agaisnt copy of BL.
Q9. What is the price of shipping?
A. Depending upon the port of delivery, prices varies.
Q10. What is your warranty policy?
A. 18 months.