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:Thermal relay normally open contact for
Often open in series fault alarm bell or alarm lights or other devices can produce self-locking, thermal relay an action normally closed to open. Normally open to become closed,
Q:How long is the relay from power to suction?
10ms count faster. Generally some will reach tens of milliseconds. The action of the pull-in is caused by the coil-2. The magnetic field -3 is generated. The active arm is sucked (normally closed to begin to be disconnected) -4. Contact closed -5. Hold the composition, so the pull-in time is 1+ 2 + 3 + 4. 1, 2 is the electric action, time is ignored, 4.5 is the mechanical action, the coil to overcome the spring force, and then contact distance L (usually greater than or equal to 3mm) / speed S = pull time T So the better the brand the better the control of this parameter.
Q:The principle of the level control relay connected to the sensor line in the liquid level
Electrode level controller is the use of liquid conductive principle to control the liquid level. A low-voltage alternating current is applied to the electrodes. When the liquid is connected to the two electrodes, an electrical signal is detected in the controller, and then the control signal is output.
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:Why does the return factor of the current relay be less than 1?
Relay coil through a certain size of the current, it will move, when the current is called the action current or start the current. Then, if the current is reduced, when the current is reduced to a certain extent, the relay returns, when the current is called the return current. Obviously, if the current continues to increase after the operating current, the relay will not return. It can be seen that the return current is always less than the operating current. And the return coefficient of the relay, is the return of the current and the ratio of starting current ah. Therefore, the return factor of the relay is always less than 1.
Q:How the speed relay works
Speed relay: is the speed to reach a certain speed or below a certain speed, so that the relay contacts the action of the relay. There are two kinds of speed relay, one is mechanical, directly to the machine shaft or motor shaft speed out to promote the contact of the clutch. It is the use of centrifugal force to contact the action. There is also an electronic speed relay that removes the level that reflects the shaft speed of the machine shaft or motor shaft to drive the clutch of the contacts, similar to the Hall sensor. Applications: 1. Speed relay control motor braking method is generally connected to the reverse brake, the circuit is simple, when the motor in the brake after the start of the rapid decline in speed, speed relay detection motor speed is zero control brake contactor coil off open. 2. For overspeed protection, that is, when the motor overshoot alarm, speed limit; 3. Detection of zero speed, that is to determine whether the motor has stopped.
Q:Why the relay back and forth fast jump between the two contacts can see an arc
1. The relay line has a virtual connection 2. The relay supply voltage fluctuates because the power supply capacity may drop or the power supply resistance increases. With a multimeter to measure the coil 2-terminal voltage if the fluctuation is relatively large to be able to judge. 3. other reasons, upstairs are very clear. The principle of control circuit error is not in the discussion.
Q:Relay action
The relay is an electrical control device. It has a control system (also known as the input circuit) and the control system (also known as the output circuit) between the interaction. Usually used in automated control circuits, it is actually a small current to control the operation of a large current "automatic switch". So in the circuit plays an automatic adjustment, security protection, conversion circuit and so on.
Q:Plc relay why soft relay
PLC after the replacement of these intermediate relays into a CPU in a storage bit, the logical relationship between each other by changing the program can be very convenient.
Q:Why can not thermal relays be used for short circuit protection?
Because the thermal relay works by heating the metal sheet to shorten the connection but it takes time to accumulate

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