4 Pole 72mm Surge Circuit Breaker 20ka 35mm rail installation

4 Pole 72mm Surge Circuit Breaker 20ka 35mm rail installation

Product Details:

Place of Origin: Dongguan China
Brand Name: Uchi
Certification: CE / SGS / ISO9001
Model Number: YCSCB-20/A2-72

Payment & Shipping Terms:

Minimum Order Quantity: 200 piece
Price: Negotiate
Packaging Details: export package / Negotiate
Delivery Time: 5-15 days after payment
Payment Terms: T/T, L/C, Western Union, D/P
Supply Ability: 60000 pieces per month
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Detail Information

Uc: 230AC Certification: CE / SGS / ISO9001
Condition: 100% Original Ie: 20kA(8/20us)
Poles: 4P/72mm Ue: 400VAC
IP: 20 Io: 3A
High Light:

72mm 4 pole circuit breaker


20ka Surge Circuit Breaker


35mm Rail Surge Circuit Breaker

Product Description

4 Pole 72mm Surge Circuit Breaker 20ka 35mm rail installation

Household Distribution Box Used 20ka 4 Poles Surge Special Circuit Breaker up Protector 20KA Discharge Current Capability


Surge backup protector (SCB) Product Characteristics :

20KA(8/20us) discharge current capability 

4poles 72mm tiny volume, one wrench each pole

Secondary distribution cabinet preferred, especially suitable for household distribution box

Lightning current shock continues to open, lightning protection continues to be effective, T1 level up to 25 Ka
Abnormal power network, power frequency current 3A speed off, SPD does not fire
Residual low pressure, equivalent fuse, more safe protection equipment

Standard guide rail installation:35mm

dopt high-energy contact, long service life;

The ability to withstand the impact of current is strong, no wrong action;

Power frequency current through more than 3±1A trip;

Running short circuit current breaking ability is strong;

Complete specifications can meet T1, T2, T3 SPD matching



Product Parameter

Style YCSCB-20/A2-72
Short-circuit breaking capacity(Ics) 6kA
Rated operational voltage(Ue) 230V
Rated insulation voltage (Ui) 400VAC
Impulse withstand current (Iemax) 20kA(8/20us)
Power frequency trip curren (Ii) 3A
mechanical endurance(time) 1000
Maximum terminal connection 25mm2
Working environment temperature -25℃60℃
Working environment humidity (room temperature) 20%90%RH
Installation rail EN60715(35mm)


How SCB works

SPD backup protection device requires constant lightning flow to maintain an effective state; When the SPD is degraded or the power supply is abnormal, the power frequency leakage current occurs and reaches the fire boundary value of 5A



The fuse, circuit breaker VS SCB:

SCB Fuses and circuit breakers
SPD special backup protector, intelligent identification of lightning current and power frequency current. Used for low voltage distribution leakage load, short circuit protection.
Surge impact is not tripped, residual low, lightning protection equipment continued effective wrong action by surge, poor lightning protection performance, generally only 20KA, the equipment lost lightning protection and damage.
When the short circuit current >3A flowing through SPD is broken in 0.1-0.3s,SPD will not catch fire Small current (several amperes) does not operate, its action value is 5~10 times its own rating,SPD fire combustion.
Power frequency short circuit breaking ability Power frequency short circuit breaking capacity is insufficient, after the SPD fire, the short circuit arc continued to burn, causing a major fire accident.



Q: Can I get some samples?
A: Yes, Sample orders welcomed.

Q: Can I use my own Logo or design on goods?
A: Yes, Customized logo and design on mass production are available.

Q:What is the delivery time?
A: 3 days for samples, 7-15 days for mass production.

Q: What is the payment term?
A: T/T, L/C at sight, West union , Paypal, etc.


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