Home > Products > Smart Motor Protector > Acrel ARD2L-1 timeout startup, over load ,phase failure, unbalance, earth leakage, blocking, short circuit motor protector
Acrel ARD2L-1 timeout startup, over load ,phase failure, unbalance, earth leakage, blocking, short circuit motor protector
- 1000 Set / Sets per Month
- T/T Credit Card
- Acrel ARD2-800 timeout startup, over load, unbalance, blocking, short circuit 160KW 200KW 220KW 250KW motor protector
- Acrel ARD2-250 timeout startup, over load, unbalance, blocking, short circuit 55KW 75KW 90KW 110KW 132KW motor protector
- Acrel ARD2-25 timeout startup, over load, unbalance, blocking, short circuit 3KW 5.5KW 7.5KW 11KW motor protector
- Acrel ARD2-5 timeout startup, over load ,phase failure, unbalance, blocking, short circuit 0.12KW 0.37KW 0.55KW motor protector
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Product Details
Brand Name: | Acrel | Place of Origin: | Jiangsu, China | Model Number: | ARD2 |
Product Description
1,Overview
ARD series intelligent motor protector (hereinafter referred to as protector) can perform various conditions such as start timeout, overload, phase failure, unbalance, underload, ground/leakage, blockage, short circuit and external fault during motor operation. Protection, and SOE fault event recording function, convenient for on-site maintenance personnel to find the cause of the fault. Suitable for coal, petrochemical, smelting, electric power, ships, and civil construction. The protector has RS485 remote communication interface, DC 4 ~ 20mA analog output, and PLC, PC and other control machines form a network system. Remote monitoring of motor operation.
2,Model Description
l ARD2(L) intelligent motor protector
Table 4 Design serial number
Design serial number | Specification | Design serial number | Specification |
2 | Digital tube display | 2L | LCD |
Table5 Rated current
Protector rated current(A) | Ratio setting | Transformer primary side turns | Setting current Is range(A) | Motor Power(kW) |
1 | Need to set | 5 | 0.1~999.9 | 0.12~440 |
5 | 1 | 0.1~999.9 | 0.12~440 | |
1.6 | No need to set | 1 | 0.4~1.6 | 0.12~0.55 |
6.3 | 1 | 1.6~6.3 | 0.75~2.2 | |
25 | 1 | 6.3~25 | 3~11 | |
100 | 1 | 25~100 | 15~45 | |
250 | 1 | 63~250 | 55~132 | |
800 | 1 | 250~800 | 160~440 |
Table 6 Additional features
Additional features | Code | Additional features | Code |
Communication Interface | C | 2 switch input; 1 relay output (programmable 3) | K |
Leakage Protection | L | SOE record | SR |
4~20mA analog output | M | Alarm output (programmable 2) | J |
Note: 1. When the additional function is equipped with leakage protection L, it is necessary to purchase zero-sequence transformers with different apertures according to the actual current.
Cautions
1.For the primary circuit, three-phase current threading direction shall keep consistent, or else, the ground protection will be in error.
2.When the protector is equipped with ground/leakage protection function, the protector wire from the leakage transformer shall be shielded conductor, or else, the measured data may be incorrect.
3.The rated current (P055) of the protector shall be set rationally. If the set value is less than the normal rated working current, the motor may not start normally; if the set value is more than the normal rated working current, the protector cannot provide the normal protection in case of motor fault.
4.If the protector trips, after the fault is eliminated and before the motor is started, please reset the protector, or else, the motor cannot be started.
5.Motor cooling time: 30min.After the motor overload protection actuated (fault displayed as hEAt), after cooling, it can rest due to heat accumulation.
6.In the actual use on the site, as the protector parameter setting is not rational, the motors may be protected together or are not protected. At this moment, all protection functions will be off. All protection parameters of the protector are set again according to all parameters measured during motor normal operation.
7.If all protection parameters of the protector are appropriate, once the motors actuate together, the protector will work. At this moment, the fault cause is searched according to the actuation code of protector.
8.The protector parameters are defaulted during delivery (except the user’s special requirements). The user may enable all protection functions according to the actual need and set all parameters.
9.If the primary current is 1000A, the external transformer is 1000A/5A. When the protector is connected again, the protector with 5A of current is selected and CT transformation ratio is 200.
Contact Us
- Jiangsu Acrel Electrical Manufacturing CO.,LTD
- Contact nameTim Chat Now
- Phone86-1870-6168051
- AddressJiangyin Wuxi,Jiangsu
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