thermal overload protection relays JZC1-71.80 thermal relays magnetic overload relay overload relay

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Product Description:

JZC1-71.80 Thermal Relay

Product Description:

Product Details

Brand Name

Shaman

Item No.

JZC1-71.80(3TH82-71.80)

Color

Black

MOQ

100 pcs

Packing

40 PCS in one carton.

Important Information

Send sample

Yes

Delivery time

Within 30 days.

Payment terms

T/T 30% deposit, the balance before the shipment.

Introduction:

JZC1 contactor type relay for AC 50Hz or 60Hz, rated voltage up to 660V or 600V DC,

rated voltage control circuit to control a variety of electromagnetic coils, so the signal is

sent simultaneously to expand or to signal to the control components.

 

Specifications:

The technical parameter of JZC1 series Contactor type Relay as follows:

Place of Origin: 

Zhejiang China(Mainland)

Brand Name: Shaman

Model Number: JZC1

Rated frequency: 50Hz

Rated operational voltage: Up to 660V

Rated current(Ie):AC-15: 5DC-13:0.25


Description

AC 50Hz, rated voltage up to 660V, rated insulating voltage up to 690V

Control various kinds of magnetic coils, amplify the signals, electric interlocking or transmit the signals to the controlled element

Long-distance connecting and breaking circuit, for frequency start,stop and control small capacity ACmotor 

Certificate

CCC, RoHS certificates

Standard

IEC 60947-5-1/GB14048.5

Technical data

Auxiliary contact: 4sets,8sets

Auxiliary structure:     single ply           double ply

Auxiliary combination:  NO    NC          NO    NC

                       1       3            4       4

                       2       2            5       3

                       3       1            6      2

                       4       0            7      1

                       0       4            8      0

Operating frequency: 3600time/h

Electric life: 1*106

Mechanical life: 10*106

Coil voltage: AC 12~660V    DC 12~250V

Coil pull-in voltage:80%~110%Us

Coil release voltage:20%~75%Us(AC),10%~75%Us(DC)

Weight(kg):  0.5(AC  single ply)   0.44(AC  double ply)

            0.7(DC  single ply)   0.69(DC  double ply)

Features

Direct-action structure of Double breaking points 

Sealed auxiliary system structure

Terminal with protective covering 

Also can Handle check 

Fixed mode: Screw-up and 35mm TH Rail mounting 


Using sort 

AC-15

DC-13

Rated working voltage V

220

380

660

110

220

600

Rated working current A 

10

6

2

0.9

0.45


0.2



Working conditions:

1.The ambient air temperature:

a).The ambient air temperature is up to 40 °c Celsius. 

b).The average does not exceed 35 °c Celsius within 24 hours.

2.The ambient air temperature is below to -5 °c Celsius.

3.The altitude of the installation sites do not exceed 2000m.

4.The pollution degree of installation sites is level 3.

5.Installation category is class II.

6.The tilt with  the vertical is not more than 5 °c.

7.No space of significant shake and shock and vibration


Control circuit:

The standard value of the rated control power supply and voltage (Us):

 

AC (50Hz)36V,48V,110V,220V,380V 

         (60Hz)42V,58V,132V,264V,460V  

Overall and installation dimension(mm):

thermal overload protection relays JZC1-71.80  thermal relays magnetic overload relay overload relay

thermal overload protection relays JZC1-71.80  thermal relays magnetic overload relay overload relay

thermal overload protection relays JZC1-71.80  thermal relays magnetic overload relay overload relay

Detailed Images:

thermal overload protection relays JZC1-71.80  thermal relays magnetic overload relay overload relay

thermal overload protection relays JZC1-71.80  thermal relays magnetic overload relay overload relay

Packaging & Shipping:

thermal overload protection relays JZC1-71.80  thermal relays magnetic overload relay overload relay

thermal overload protection relays JZC1-71.80  thermal relays magnetic overload relay overload relay

The wearhouse:

thermal overload protection relays JZC1-71.80  thermal relays magnetic overload relay overload relay

The certificate:

thermal overload protection relays JZC1-71.80  thermal relays magnetic overload relay overload relay

The exhibition:



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Q:Is there a DC thermal relay?
Protection of DC motor, no thermal relay, with a DC current relay on it.
Q:Time relay What is the meaning of instantaneous action
The general time relay has two pairs of contacts, different models of time relay, respectively, there are two pairs of normally closed, normally open delay contact or a pair of normally closed, normally open delay and instantaneous normally closed, normally open contact. Instantaneous normally closed, normally open contacts and relay contacts the same function, power is action, power is reset. Take the air damping time relay as an example to illustrate: When the coil is energized, the armature and the pallet are attracted by the core and instantaneously move down to turn on or off the instantaneous action contact. But the piston rod and lever can not fall along with the armature at the same time, because the upper end of the piston rod attached to the rubber chamber in the chamber, when the piston rod in the release of the spring under the action of downward movement, the rubber film with the concave, The air in the air chamber becomes thin and the piston rod is damped and slowly descends. After a certain period of time, the piston rod down to a certain position, then through the lever to promote the delay contact action, so that moving off the contact open, moving contact closure. From the coil power to the delay contact to complete the action, this time is the relay delay time. So in fact, for the general time relay (including electromagnetic, air damping, electric, etc.), instantaneous contact trigger action and delay contact from the trigger effect is the same, but because the trigger action speed The difference between the two action mode delay time level is not the same, but the general instantaneous type according to the different rated voltage of the model can only reach 220V, and the ordinary can reach 380V.
Q:Why the relay discharge diode to reverse
The internal coil of the relay is actually an inductor. After power is applied, when the relay is released, the sudden power loss of the coil will produce a higher induced voltage in the opposite direction. This voltage is liable to cause damage to the triode of the driving relay. Therefore, the diodes Parallel to the coil from the offset, discharge current role. DC relay to parallel diodes, This is to prevent the DC relay when the rebounding generated by the circuit on the impact or damage to components, reverse parallel diode for the back to the potential of a circuit. This diode is called a freewheeling diode or called an absorption diode.
Q:Why solid state relays are solid
You know the electromagnetic relay has a contact, the coil is energized after the contact action to make the circuit connected, so it is operating state, and solid-state circuit breaker is no contact, the use of thyristor as a switch, when the control voltage signal On the conduction, and no contact action, which has a relay function, not a relay, so give it a solid circuit breaker name, and electromagnetic relays to be distinguished.
Q:What is a latching relay?
It actually refers to the "self-locking", that is, after the relay power action, automatically lock its state, even if the control current at this time will not change its state, that is, when the power pull, The current continues to remain in the pull state unless the unlock button is pressed (and some are connected to the reverse current) Ordinary relays, are "monostable", and this relay is "bistable" type.
Q:How is the relay repaired?
Landlord, the relay is best not to open the. General relay bad is the contact is oxidized lead to the emergence of unable to pull (poor contact) and so on. If you really want to repair the black oxide contacts should be no problem. But once opened, the relay inside the rare gas environment is destroyed, it is easier to oxidation.
Q:Proximity switch control relay problem
Look at the proximity switch is not bad, npn-type brown positive blue negative black and white normally open white normally closed, then the load when the end of the power supply terminal, the other end of the load connected to black or white
Q:How do you understand that part of monostable relays and all magnetic holding relays are polarized relays?
Some polarization relays are designed for two coils, said in order to get a simple reverse control.
Q:What is the difference between the intermediate relay and the AC contactor
It is used to pass the intermediate signal in the control circuit. The structure and principle of the intermediate relay are basically the same as those of the AC contactor. The main difference from the contactor is that the main contact of the contactor can pass through the high current and the contact of the intermediate relay can only pass through the small current. Therefore, it can only be used in the control circuit. It is generally no main contact, because the overload capacity is relatively small. So it is all with auxiliary contacts, the number of more. The new national standard for the definition of intermediate relay is K, the old national standard is KA. Usually DC power supply. A few use AC power.
Q:What is the use of thermal relay relay is the thermal relay?
Mainly used to overload the motor overload protection, the motor overload, the running current will increase, the current through the thermal components, the bimetal heating bending to promote the action mechanism to drive the contact action, so the motor control circuit off to achieve Motor power off.

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