Product Description
Product Name: WDH-31-200 AC 380V intelligent overload motor protection controller
WDH-31-200 is a new generation for the thermal relay, time replay,transducer and so on. It simplized the motor protection mode, brings a wider protection range and enhance the protection accuracy, turns the instrument more reliable.
Technical parameters
Product Name | WDH-31-200 AC 380V intelligent overload motor protection controller | ||
System | Rated voltage of motor | AC 380V or AC 660V,50Hz | |
Rated current of motor | 0.1A~800A | ||
Insulation resistor | ≥100MΩ | ||
Safe Power Supply | Working range | AC 100~415V | |
Power consumption | ≤3VA | ||
Environment Condition | Operating temperature | -20℃~+60℃ | |
Relative humidity | ≤93%RH | ||
Storage temperature | -25℃~70℃ | ||
IP degree | Front:IP64,Rear:IP20 | ||
Protection Accuracy | Current/voltage | ±1% of setting value | |
Thermal capacity | ±1% of setting value | ||
Delayed acting time | When delayed acting value <2s:±100msWhen delayed acting value ≥ 2s:±5% | ||
Control Relay | Contact capacity | AC 250V/5A | |
Signal Relay | Contact capacity | AC 250V/5A | |
Analog Output | Mode | DC 4~20mA,RL≤350Ω | |
Insulation | ≥2kVAC | ||
Optional CT
Monitoring Solution
WDH-31-200 can be used as single unit but also multi-devices running which control by an advanced monitoring software SFERE3000. SFERE3000 is a comunication management software which collect the data from the meters and upload them to the PC or Mobile phone tansmitted by the concentrator. It provides high performance of quality management such as power monitoring, error alam and long-range control to the factory, residencial area and commercial building etc. SFERE3000 is a patent product which developed by Jiangsu Sfere Electric Co., Ltd and the company owns the intellectrual property of it.
Production Process
Packing & Delivery
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory located in Jiangyin Jiangsu Province.
Q: Does your company provide customized manufacturing?
A: We provide OEM/ODM service to our customers. Our experienced R&D team will give our customer solution in a high efficiency way.
Q: How long is your delivery time?
A: 3-5 working days for the items were in stock, 15-21days for the items out of stock.
Q: Do you provide samples ? Is it free or extra ?
A: You need to pay for the sample and cover the freight as well.
Q: What is your terms of payment ?
A: Order amount less than $3000, 100% paid before shipment, order amount more than $3000,30% as deposit, 70% before shipment, or by negotiated for the both parties.
A: We are factory located in Jiangyin Jiangsu Province.
Q: Does your company provide customized manufacturing?
A: We provide OEM/ODM service to our customers. Our experienced R&D team will give our customer solution in a high efficiency way.
Q: How long is your delivery time?
A: 3-5 working days for the items were in stock, 15-21days for the items out of stock.
Q: Do you provide samples ? Is it free or extra ?
A: You need to pay for the sample and cover the freight as well.
Q: What is your terms of payment ?
A: Order amount less than $3000, 100% paid before shipment, order amount more than $3000,30% as deposit, 70% before shipment, or by negotiated for the both parties.
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