3UA Thermal Relay

  
3UA thermal relay is suitable for using in power system with AC 50Hzm rated operating voltage up to 660V and 1000Vin main circuit, current form 0, 1A to 630A.It is used to protect AC three-phase asynchronous motor against overload and operphase.

The current setting valu can be regulated and the setting current values of many thermal elements are >℃ to +55℃ air temperature the products have temperature compensation. The products have temperature compensation .The relays have the test push-button for breaking NC contacts, the operating indication and trip-free characteristics. The items contacts, the operating indication and trip-free characteristics. The items conform to IEC292-1, IEC 337-1 & VDE0660.



Specifications

Type

Rated

operating

current (A)

Rated

insulation

voltage (V)

Current setting rang (A)

3UA50

12.5

660

0.1-0.16,0.16-0.25,0.25-4 0.32-0.63,0.63-0.1,0.8-1.25,1-1.6,

1.25-2,1.6-2.5,2-3.2,2.5-4,3.2-5,4-6.3,5-8,6.3-10,8-12.5

3UA52

25

660

0.1-0.16,0.16-0.25,0.25-4,0.32-0.63,0.63-0.1,0.8-1.25,1-1.6,1.25-2,1.6-2.5,

2-3.2,2.5-4,3.2-5,4-6.3,5-8,6.3-10,8-12.5,10-16,12.5-20,16-25

3UA54

32

660

4-6.3,6.3-10,10-16,12.5-20,16-25,20-32

3UA58

80

1000

16-25,20-32,25-40,32-50,40-57,50-63,57-70,63-80

3UA59

63

600

0.1-0.16,0.16-0.25,0.25-4,0.32-0.63,0.63-0.1,0.8-1.25,1-1.6,

1.25-2,1.6-2.5,2-3.2,2.5-4,3.2-5,4-6.3,5-8,6.3-10,8-12.5,10-16,

12.5-20,16-25,20-32,25-40,32-45,40-57,50-63

3UA62

180

600

55-80,63-90,80-110,90-120,110-135,

120-150,135-160,150-180

3UA66

400

1000

80-125,125-200,180-250,200-320,250-400,

3UA68

630

1000

320-500,400-630

TH-K Termal Relay

The thermal overload relays are suibtabble for overload protection of AC motor with frequency 50Hz, voltage up to 660V, current up to 40A operated on 8-hours duty or uninterrupted duty.

Several functions provided by these relays are phase-failure protection, temperature compensation, ON/OFF indication and manual/automatic reset. The relays comply with IEC292-1 standard.

Specifications

Type

Plug in AC contactor

Rated current of

thermal element (A)

Setting current range (A)

TH-K12

S-K10 S-K11

S-K12 S-K18

0.24,0.35,0.5,0.7,0.9,1.3,

1.7,2.1,2.5,3.6,5.6,6.6,9.11

0.2-0.28,.28-0.42,0.4-0.6,0.55-0.85,0.7-1.1,1-1.6,

1.4-2,1.7-2.1,2-3,2.8-4.4,4-6,5.2-8,7.-11,9-13

TH-K20

S-K20 S-K21

S-K25 S-K35

2.1,2.5,3.6,6.6,9,11,

15,19,22,29,35,

1.7-2.1,2-3,2.8-4.4,4-6,5.2-8,7-11,9-13,12-18,16-22,18-26,24-34,30-40

TH-K60

S-K50 S-K65

S-K80 S-K95

42,54

34-50,43-65

MY.LY General Relay

MY.LY general relay  widely suitable for DC or AC circuit switching in various automatic devices, process control and communication equipments etc.It has characteristics of stable performance, capable of making and breaking relatively large load current, easy in maintenance and inspection as well as long service life.The plug-inbase of the relay is suitable for use with standard 8, 11& 14 pins socket. They cover rated current from 3A to 15A.

Specifications

Model

Contact No

Rated thermal current (A)

Coil power consumption

Coil Voltage (V)

DC

AC

MY-2

2

5

DC≤0.9W

AC≤1.2W

6

12

24

36

48

110

6

12

24

48

220

MY-3

3

5

MY-4

4

15

LY-2

2

3

DC≤0.9W

AC≤1.2W

LY-3

3

10

LY-4

4

7.5

A Time Relay

A series super time relay can be widely used in machines and equipments meeding self-control of high precision and reliability. It has charactersitics of small size, light weight, compact structure, high dependable and efficient, long life, etc.

 

ST 3P Time Relay

ST3P series super time relay can be widely used in machines and equipment needing self-control of high precision and reliability. It has characteristics of small size, light weight, compact stucture, high dependable and efficient, long life, etc.

Specifications  

Type

ST3PA

ST3PS

ST3PF

ST3PK

ST3PY

ST3PR

Contact

Timed 2PDT

Timed SPDT Inst 2PDT

Timed SPDT

TimedΔInst 1No

Timed SPDT

Rated themal current

3A

2A

Timing range

A:0.05-0.5s/5s/30s3min

B:0.1-10s/60s/6min

C:0.5-5s/5min/30min

D:1-10s/100s/10min/6h

F:0.25-4min/20min/2h/12h

G:0.5-4min/4min/4h/14h

0.1- 1S

0.2- -0.2S

0.5-5S

1-10S

2.5-30S

5-60S

0.1- 1S

0.2- 2S

0.5-5S

1-10S

2.5-30S

5-60S

1-10s

2.5-30s

5-60s

0.5-6s/60s

1-10s/10min

2.5-30s/30min

Input voltage

AC 110.220V DC24,48,110V

AC110,220V DC24V

AC110,220V DC24V

AC110/220V

AC110/200V DC24V

Specifications

Repeat error

±0.5%±10ms

Estimated error

±0.5%±10ms

Mechanical life

ST3PA5000x 104 operations

ST3PC1000x104 operations

Electrical life

ST3PA100x 104 operations

(AC 110V 3A,Resistance load)

ST3PC 170x103 operations

MK General Relay

 

MK 2P 3P general relay is widely used in DC or AC circuit for switching in various automatic devices, process control and communication equip ments etc. It has characteristics of stable performance, high reliability, capable of making and breaking relatively large load current, easy in maintenance and inspection as well as long service life. The pug-in base of the relay is suitable for using with standard 8 and 11 pins socket.
 
Specifications

Contact voltage

DC24V AC220V

Coil voltage

DC

6,12,24,48,60,110,220V

AC

6,12,24,18,110,127,220V

Coil power

DC≤1.2W

AC≤2.5W

Insulation resistance

500mΩ

Contact resistance

≤500mΩ

Service life

Mechanical

107times

Electrical

105times

H3BA ,ST4P,H3Y Super Time Relay

H3BA,H3Y,ST4P series super time relays have characteristics of small size, light weight, compact structure, highly dependable and efficient, long life etc. It can be widely used in machines and equip-ments needing self-control of high precision and reliability.

Specifications

Type

Contact

Timing range

Input voltage

H3BA

Timed zpdt

0.05-0.5s

AC24V,AC50V,AC100/110/120V

AC200/220/240V,DC12V,DC 24V

DC48V,DC100V,DC110V, DC125V

H3BA-8

Timed zpdt

0.1-1s

H3BA-8H

On-delay T1th inst contact

0.5-5s, 1-10s

H3Y-2

Timed 2PDT

0.5S,1S5S,10S,

30S,60S,120S,

3min,5min,10min,

30min,60min,3h

AC100V,AC110V,AC200V,

AC220VAC240V,DC24V

DC48V,DC100V,DC1410V

H3Y-4

Timed 4PDT

H3YU

Timed 3PDT

ST4P

Timed 2PDT

0.05-0.5s

AC24V,AC50V, AC100-240V,

DC12V,DC24V,DC48V,

DC110V,DC125V

3T4P -8

Timed 2PDT

0.1-1s, 0.5-5s

3T4P-8H

On-delsy

1-10s

Solid  State  Relays

 

²       Provide electrical isolation and signal coupling between the control circuit and the output circuit.

²       Burn plastic shell, sealing gland.

²       Must be dispose radiator.

²        Widely used as ideal components in the field of damp and protect against explode.

 

Input

Output

Model

Input

Voltage

Turn-off

Voltage

Input

Current

Turn-on

Current

Work

Voltage

Work Current

Insulation

Voltage

SSR

3-32VDC

2.1VDC

＜15mA

5mA

220VAC

380VAC

5A-80A

≥2500VAC