| Customization: | Available |
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| Theory: | Thermal Relay |
| Usage: | Car Relay, Household Appliances Relay, Communication Relay, Lathe Relay |
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| Application |
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3UA type thermal overload relay is suitable for AC 50/60Hz, voltage up to 660V and current up to 630A,general AC motor of long or discontinuous long operation, used as overload protection and hasthe functions of breaking phase protection, temperature compensation, and trip indication. Itcan automatically and manually get back. It can be fixed with contactor CJX1 together, also beindependtly fixed. The product conforms to IEC60947-4-1 stardand. |
| 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 | Ambienttemperature | |
| 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) | |
| Specification |
| Type | Number | Setting range(A) | For contactor | Type | Number | Setting range(A) | For contactor | |
| SRS2-12.5/Z | 0A | 0.1~0.16 | CJX1-09 CJX1-12 |
SRS2-25/Z | 0A | 0.1~0.16 | CJX1-16 CJX1-22 |
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| 0C | 0.16~0.25 | 0C | 0.16~0.25 | |||||
| 0E | 0.25~0.4 | 0E | 0.25~0.4 | |||||
| 0G | 0.4~0.63 | 0G | 0.4~0.63 | |||||
| 0J | 0.63~1 | 0J | 0.63~1 | |||||
| 0K | 0.8~1.25 | 0K | 0.8~1.25 | |||||
| 1A | 1~1.6 | 1A | 1~1.6 | |||||
| 1B | 1.25~2 | 1B | 1.25~2 | |||||
| 1C | 1.6~2.5 | 1C | 1.6~2.5 | |||||
| 1D | 2~3.2 | 1D | 2~3.2 | |||||
| 1E | 2.5~4 | 1E | 2.5~4 | |||||
| 1F | 3.2~5 | 1F | 3.2~5 | |||||
| 1G | 4~6.3 | 1G | 4~6.3 | |||||
| 1H | 5~8 | 1H | 5~8 | |||||
| 1J | 6.3~10 | 1J | 6.3~10 | |||||
| 1K | 8~12.5 | 1K | 8~12.5 | |||||
| 2S | 10~14.5 | 2A | 10~16 | |||||
| 2B | 12.5~20 | |||||||
| 2C | 16~25 |
WENZHOU SANTUO ELECTRICAL CO,LTD.
is one of manufactories that specialize in manufacturing AC CONTACTOR, Thermal Relay and Circuit Breaker, and is located in Liushi.Wenzhou.China
Thanks for your reading.If any product meets your need.Welcome to send us an email.We are sure your any information can be attentioned without any delay.
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