 |
| Place of Origin: | China |
| Brand Name: | KRIPAL |
| Certification: | CE, UL |
| Model Number: | UKH-40 |
| Minimum Order Quantity: | 500 pcs |
|---|---|
| Price: | negotiable |
| Packaging Details: | Each unit packed in a individual box |
| Delivery Time: | 20 days and depends on ordering quantity |
| Payment Terms: | T/T, L/C |
| Supply Ability: | 30000 pcs per month |
| Color: | Blue/orange | Pins: | 3 |
|---|---|---|---|
| Type: | Thermal | Protection: | Overload |
| Usage: | Usually With Ac Contactor | Reset: | Manual / Automatic |
| High Light: | overload protection relay,ls thermal overload relay |
||
UL listed Motor Thermal Overload Relay / Automatic Magnetic Overload Relay
UKH series thermal overload relays apply to circuit of AC 50Hz or 60Hz, rated voltage to below 660V and rated current . 1A-800A for AC motor overload and open-phase protection during long time or intermittent long time service, which can also protect 3-phase serious imbalance and long starting time of motor or long timer operation, can also be used for corresponding AC contactor for electromagnetic starter.
Applications:
Thermal overload relays are economic electromechanical protection devices for the main circuit.
They offer reliable protection for motors in the event of overload or phase failure.
The thermal overload relay can make up a compact starting solution together with contactors.
Specifications:
|
Type |
Thermal component |
|
|
Rated current (A) |
Range of rated current (A) |
|
|
UKH-40 UKK-40 |
5 |
4.0-6.0 |
|
6.5 |
5.0-8.0 |
|
|
7.5 |
6.0-9.0 |
|
|
8.5 |
7.0-10.0 |
|
|
11 |
9.0-13.0 |
|
|
15 |
12.0-18.0 |
|
|
19 |
16.0-22.0 |
|
|
22 |
18.0-26.0 |
|
|
30 |
24.0-36.0 |
|
|
34 |
28.0-40.0 |
|
Motion Characteristic:
Three-phase Balance Motion Time
|
No |
Times of the setting current |
Motion time |
Start condition |
Ambient temperature |
||
|
1 |
1.05 |
>2h |
Cold state |
20±5oC |
||
|
2 |
1.2 |
<2h |
Heat state(Following the No.1 test) |
|||
|
3 |
1.5 |
<4min |
||||
|
4 |
7.2 |
10A |
2s< Tp≤10s |
≤63A |
Cold state |
|
|
10 |
4s< Tp≤10s |
>63A |
||||
Phase-losing Motion Characteristic
|
No |
Times of the setting current |
Motion time |
Start condition |
Ambient temperature |
|
|
Any two phases |
Another phase |
||||
|
1 |
1.0 |
0.9 |
>2h |
Cold state |
20±5oC |
|
2 |
1.15 |
0 |
<2h |
Heat state(Following the No.1 test) |
|
Working Principle of Thermal Relay:
A thermal relay works depending upon the coefficient of expansion of metals. The basic working principle of thermal relay is that, when a bimetallic strip is heated up by a heating coil carrying over current of the system, it bends and makes normally open contacts.
Main benefits:
1. Reliable protection for motors
2. Easy to create starters
3. Optimized match to UKC1 series contactors
4. Single mounting kits and wire reset for remote control available for specific applications.
Main features:
1. Trip class 10
2. Adjustable current setting ranges
3. Overload protection with phase loss sensitivity
4. Temperature compensation up to +60°C
5. Automatic or manual reset, sealable
6. Stop and test function.
Contact Person: Allen
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