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Product Details
The Soltree ST2-VA4 combines overvoltage, undervoltage and overcurrent protection with an LED digital display and adjustable settings. This page describes the white housing option. The protector mounts on a DIN rail in an electrical distribution enclosure.
The electrical values below are references for the ST2-VA4 catalogue AC configuration. Confirm the supply voltage, current configuration and settings for the housing and version you order. The catalogue list does not establish stock availability for every combination.
| Parameter | Catalogue reference |
|---|---|
| Catalogue AC supply configuration | AC 220 V (catalogue AC configuration) |
| Maximum operating current – catalogue configurations | 40 / 63 / 80 / 100 A (catalogue family configurations; confirm the selected version) |
| Overvoltage setting | 130-300 V AC |
| Undervoltage setting | 80-210 V AC |
| Overvoltage recovery setting | 125-295 V |
| Undervoltage recovery setting | 85-215 V |
| Voltage hysteresis – catalogue reference | 5 V (catalogue reference) |
| Power-on delay setting | 1-999 s |
| Recovery delay setting | 1-999 s |
| Voltage trip-delay setting | 0.1-10 s |
| Overvoltage trip delay – catalogue reference | 0.5 s listed in the technical table; P7 shows the same reference value |
| Overcurrent trip-delay setting | 0.1-10 s |
| Voltage accuracy – catalogue reference | <1% (catalogue voltage-accuracy reference; test conditions not specified) |
| Maximum operating phase voltage – catalogue reference | 350 V (catalogue maximum operating phase-voltage reference) |
| Altitude | Up to 2,000 m |
| Permissible relative humidity | Below 50% at 40°C, without condensation |
| Ambient temperature | -25°C to +55°C |
The overvoltage and undervoltage ranges describe protection settings. The 350 V figure is the catalogue’s maximum operating phase-voltage entry; it does not specify the rated supply voltage or a continuous operating-voltage range. The voltage-accuracy figure is a catalogue reference with unspecified test conditions.
Power-on delay and recovery delay each have a catalogue menu range of 1-999 seconds. The voltage trip-delay and overcurrent trip-delay menus each provide a 0.1-10 second setting range. The technical table lists 0.5 seconds for overvoltage trip delay, and the P7 menu illustration shows 0.5 seconds. This reference value does not mean that every unit trips in a fixed 0.5 seconds; confirm the settings supplied for your selected version.
The catalogue also lists 5 V voltage hysteresis and separate adjustable recovery-voltage settings. Confirm the required trip and recovery values for your application when specifying the order.
A custom logo display and 110 V customization are available on request. Ratings and protection settings for a 110 V version are confirmed separately; the catalogue AC values above do not specify a 110 V configuration.
For a quotation, send the model ST2-VA4, your preferred white housing, required supply voltage, current configuration, intended load, quantity and destination. Include any logo requirements so we can check the appropriate version and supply details.
Displayed values in product images do not define the rated supply voltage or current. Contact Soltree to confirm the version for your order, or browse the product range.
Soltree supplies low-voltage electrical products for business and project needs. Contact our team for product specifications, model information and quotations.
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