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3TB Series Three Phase Magnetic Contactor , AC Magnetic Contactor Switch

Basic Information
Place of Origin: CHINA
Brand Name: NBSe
Certification: CE,ISO9000
Model Number: 3TB
Minimum Order Quantity: 100pcs
Price: Negotiable
Packaging Details: Export Packing
Delivery Time: 10-20days
Payment Terms: L/C, T/T, Western Union
Supply Ability: 100,000pcs per month
Detail Information
Model No.: 3TB Electricity Type: AC
Number Of Poles: 3P Phase: 3 Phase
Main Circuit Rating Voltage: 24V~380V Main Circuit Rating Current: 9~95A
Standard: IEC60947-4 Frequency: 50/60Hz
Mounting: 35mm Din Rail No. Of Auxiliary Contacts:: 1NC/1NO/1NO+1NC
Coil Voltage: 24v-660v Rated Voltage:: 220V/240V/380V
Electrical Life: 1000000 Times
High Light:

ac magnetic contactor


magnetic overload relay

Product Description

NBSe 3TB Series Magnetic AC Contactor



Normal Running And Installtion Conditions:


1. Ambient air temperature: -5℃+40℃. the average value should not exceed +35℃ within 24 hours
2. Elevation: at most 2000m.
3. Atmospheric conditions: When the temperature at 40℃,the relative humidity of atomsphere should be
at the most 50%.When at relatively low temperatures, it could have higher relative humidity.Monthly maximum relative humidity could be not more than 90%.Special measures should be taken due to occurrence of dews.
4. Class of pollution:Class 3
5. Installation category: Ⅲ
6. Installation conditions: Degree of inclination between fitting surface and vertical surface should not exceed II
7. Impact shock: Product should be installed and used in the place where often shakes and impacts.


The contactor is suitable for use in the circuits up to the rated voltage 660V AC 50Hz or 60Hz,rated current 630A, for making and breaking ,and for frequent starting and controlling the motor.After combined with the mechanical interlocking device,it becomes 3TD series convertible contactor for controlling,starting, breaking and reversing of the motor. The products comply with IEC947 & VDE0660..
Type Rated Rated operating current at 380V Rated operating current at 660V The power of controlled motor Type of auxiliary contact
thermal current (A) (A) (KW)
(A)     380(V) 660(V)
3TB40 22 9 7.2 4 5.5 1NO
3TB41 22 12 9.5 5.5 7.5 1NC
3TB42 35 16 13.5 7.5 11 1NO+1NC
3TB43 35 22 13.5 11 11 2NO+2NC
3TB44 55 32 18 15 15 2NO+2NC






3TB Series Three Phase Magnetic Contactor , AC Magnetic Contactor Switch 0



Q1: What's your product Range?
- Shell Unti-fire. nylon pa66 or not unti-fire.
- Parts, Copper or iron
- Point Sliver point or Copper point

Q2: Are you a manufacturer?
A. Yes, we are only produce the circuit breaker over 20 years from 1999.

Q3: Do you have stock products to sell?
A. No,we work on OEM orders, The means, material, quantity,packing solution,etc will depend on your requests.obviously, your logo can be printed on the products.

Q4. what's the payment term?
A. We accept TT,30% deposit and 70% balance agaisnt copy of BL
Q5. how's the delivery time ?
A. usually it will take about 30 days for 30000pcs

Q6. tell me the standard of package?
A. Normally are cartons, color box or white box

Q7. what kind of material of circuit breaker?
A. we have two types, one copper coil with silver point and the other is brass coil with copper point. It depends on your requirement. In fact, those two have no difference if normal work well. Only except the electrical life. Copper and silver is better and also higer price.
Q8. We want to know month capacity.
A. 400,000pcs/month
Q9. Where is your market?
A. Our products are popular in Western Europe, Middle-East, Afirca, South Asia ,South Ameirca countries and area. Some of them are our regular customers and some of them are developing. We hope you can join us and make mutural benifit from our cooperation.
Q10. what kind of certificate you have ?
A. CE, CB,CCC,ISO9000.

Q11. Do you inspect the finished products
A. Yes.Each step of products will be inpected by QC department before shipping.

Q12. How are you ship the finished products?
- By Sea
- By plane
- By counties,TNT, DHL,FEDEX,UPS.etc.



Contact Details

Phone Number : +8613587466174

WhatsApp : +8613587466174