 |
| Place of Origin: | China |
| Brand Name: | KRIPAL |
| Certification: | CE |
| Model Number: | UKH-12M |
| 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 |
| Pins: | 3 | Type: | Thermal Overload |
|---|---|---|---|
| Protection: | Overload | Usage: | Usually With Ac Contactor |
| Reset: | Manual / Automatic | Auxiliary: | 1NO+1NC |
| High Light: | overcurrent relays,ls thermal overload relay |
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GTH-12M Mini Motor Thermal Overload Relay , Overload Protection Relay
Thermal overload relays are protective devices. They are designed to cut power if the motor draws too much
current for an extended period of time. To accomplish this, thermal overload relays contain a normally closed
(NC) relay. When excessive current flows through the motor circuit, the relay opens due to increased motor
temperature, relay temperature, or sensed overload current, depending on the relay type.
These overload relays are similar to circuit breakers in construction and use, but most circuit breakers differ
in that they interrupt the circuit if overload occurs even for an instant. Thermal overload relays are conversely
designed to measure a motor's heating profile; therefore, overload must occur for an extended period before
the circuit is interrupted.
Characteristics:
1. Be mounted with contactor UKC(D)1-6M/9M/12M directly
3. Small size: 44mm width
4. 1NO+1NC tripping contact
5. Class 10A tripping standard
6. Phase-failure protection type: UKK
7. Sstandard type: UKH
8. Applicable ambient temperature: -5 to 40 degree
9. Manual/automatic reset
10 Ewmote reset is optional
11. Design of free trip
Specifications:
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) |
|
Applications:
UKH series thermal overload relay can be used in the circuit of 50Hz or 60Hz, rated insulation voltage 660V,
rated current 0.1-93A for protecting the phase break when the electric motor is overload. The relay has different mechanism and temperature compensation& can be plunged in UKC1 series AC contactor.
Current Range:
Contact Person: Allen
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