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Continental Control Systems WattNode Wide-Range Modbus meter (WND-WR-MB)
Model: WND-WR-MB · SKU: WND-WR-MB
Prepared Oct 24, 2026
Common specifications
| Device type | Not documented |
|---|---|
| Max switched load (A) | Not documented |
| Max switched load (W) | Not documented |
| Measurement channels | Three current transformer inputs (CT1, CT2, CT3); single-phase or three-phase, wye or delta servicesSource [2] |
| Current sensors | 0.333 Vac current transformers or milliamp output CTs (sold separately)Source [2] |
| Current rating | Not documented |
| Voltage range | 100 to 600 VSource [1] |
| Accuracy | 0.5 %Source [2] |
| Communications | Modbus RTU over RS-485Source [2] |
| Display | Not documented |
| Power input | Line powered, 100 to 600 Vac, line-to-neutral or line-to-lineSource [1, 2] |
| Mounting | Indoor; outdoors or wet locations only inside a rated electrical enclosureSource [1] |
| Safety listing | UL Listed (U.S. and Canada), file E359088: UL 61010-1, 3rd Edition; UL 2808; CAN/CSA-C22.2 No. 61010-1-12, 3rd EditionSource [1] |
| Weight | |
| Dimensions | |
| Enclosure volume | 0.49 L** Calculated from recorded external dimensions |
| Warranty term | 5 yearsSource [1] |
All recorded specifications
| Accuracy | 0.5 %Documented claim ConditionsPrinted as "EnergySum, Energy1, 2, 3(1) (active energy) elapsed time(2) >= 30 s ±0.2 ±0.5 %" in Continental Control Systems' WND-WR-MB datasheet (WND-WR-MB-DS1, 2020-02-12), captured October 3, 2026. The value is the maximum (typical ±0.2 %) for active energy at power factor 1.0, 1 to 100 % of rated current, excluding current transformer errors. The datasheet also prints that all models meet ANSI C12.20 class 0.5. Location: Datasheet 2.1 Accuracy table, active energy row Printed as "EnergySum, Energy1, 2, 3(1) (active energy) elapsed time(2) >= 30 s ±0.2 ±0.5 %" in Continental Control Systems' WND-WR-MB datasheet (WND-WR-MB-DS1, 2020-02-12), captured October 3, 2026. The value is the maximum (typical ±0.2 %) for active energy at power factor 1.0, 1 to 100 % of rated current, excluding current transformer errors. The datasheet also prints that all models meet ANSI C12.20 class 0.5. Location: Datasheet 2.1 Accuracy table, active energy row |
|---|---|
| Communications | Modbus RTU over RS-485Documented claim ConditionsPrinted as "It communicates using Modbus® RTU over RS-485." in Continental Control Systems' WND-WR-MB datasheet (WND-WR-MB-DS1, 2020-02-12), captured October 3, 2026. Baud rates printed: "1200, 2400, 4800, 9600, 19200, 38400, 57600, 76800, and 115200". Location: Datasheet page 1, introduction Printed as "It communicates using Modbus® RTU over RS-485." in Continental Control Systems' WND-WR-MB datasheet (WND-WR-MB-DS1, 2020-02-12), captured October 3, 2026. Baud rates printed: "1200, 2400, 4800, 9600, 19200, 38400, 57600, 76800, and 115200". Location: Datasheet page 1, introduction |
| Current sensors | 0.333 Vac current transformers or milliamp output CTs (sold separately)Documented claim ConditionsPrinted as "Works with any 0.333 Vac current transformers and milliamp output CTs" in Continental Control Systems' WND-WR-MB datasheet (WND-WR-MB-DS1, 2020-02-12), captured October 3, 2026. Milliamp output CTs need the meter's MA or R= burden resistor option, as the datasheet's current transformer options describe. Location: Datasheet page 1, Features Printed as "Works with any 0.333 Vac current transformers and milliamp output CTs" in Continental Control Systems' WND-WR-MB datasheet (WND-WR-MB-DS1, 2020-02-12), captured October 3, 2026. Milliamp output CTs need the meter's MA or R= burden resistor option, as the datasheet's current transformer options describe. Location: Datasheet page 1, Features |
| Dimensions | 85 W × 38 H × 153 L mm3.3 W × 1.5 H × 6.02 L in convertedNeeds confirmationThe installation guide (WND-WR-MB-Inst-1.08) prints 153 mm × 85 mm × 38 mm and the datasheet (WND-WR-MB-DS1) prints 153 mm × 85.1 mm × 38.0 mm for the same 6.02 × 3.35 × 1.50 in. size; the installation guide's figure is shown. ConditionsPrinted as "Size: 6.02 in. × 3.35 in. × 1.50 in. (153 mm × 85 mm × 38 mm)" in the Specifications chapter of Continental Control Systems' WND-WR-MB installation guide (WND-WR-MB-Inst-1.08), captured October 3, 2026. The guide names no axes; the three figures are recorded in printed order. Location: Installation guide 5.6 Mechanical Printed as "Size: 6.02 in. × 3.35 in. × 1.50 in. (153 mm × 85 mm × 38 mm)" in the Specifications chapter of Continental Control Systems' WND-WR-MB installation guide (WND-WR-MB-Inst-1.08), captured October 3, 2026. The guide names no axes; the three figures are recorded in printed order. Location: Installation guide 5.6 Mechanical |
| Enclosure | IP40; outdoor use only inside a NEMA 3R or 4 (IP 66) electrical enclosureDocumented claim ConditionsPrinted as "Degree of Protection: IP40 (>1 mm solids, no protection from liquids)" in Continental Control Systems' WND-WR-MB datasheet (WND-WR-MB-DS1, 2020-02-12), captured October 3, 2026. The installation guide prints "Suitable for use outdoors or in wet locations if mounted inside an electrical enclosure (Hammond Mfg., Type EJ Series or equivalent) rated NEMA 3R or 4 (IP 66)". Location: Datasheet 2.6 Environmental Printed as "Degree of Protection: IP40 (>1 mm solids, no protection from liquids)" in Continental Control Systems' WND-WR-MB datasheet (WND-WR-MB-DS1, 2020-02-12), captured October 3, 2026. The installation guide prints "Suitable for use outdoors or in wet locations if mounted inside an electrical enclosure (Hammond Mfg., Type EJ Series or equivalent) rated NEMA 3R or 4 (IP 66)". Location: Datasheet 2.6 Environmental Official instruction manual · WattNode Wide-Range Modbus Electric Power Meter, Installation Guide, model WND-WR-MB, WND-WR-MB-Inst-1.08 (ctlsys.com, October 3, 2026 capture)Official datasheet · WND-WR-MB WattNode Wide-Range Modbus Meter datasheet, Doc ID WND-WR-MB-DS1, 2020-02-12 (ctlsys.com, October 3, 2026 capture) [1, 2] |
| Measurement channels | Three current transformer inputs (CT1, CT2, CT3); single-phase or three-phase, wye or delta servicesDocumented claim ConditionsPrinted as "One model can measure 100 to 600 Vac, single-phase or three-phase, wye or delta services" in Continental Control Systems' WND-WR-MB datasheet (WND-WR-MB-DS1, 2020-02-12), captured October 3, 2026. The connection type table maps "CT1 Phase A CT2 Phase B CT3 Phase C". Location: Datasheet page 1 Features and connection type table Printed as "One model can measure 100 to 600 Vac, single-phase or three-phase, wye or delta services" in Continental Control Systems' WND-WR-MB datasheet (WND-WR-MB-DS1, 2020-02-12), captured October 3, 2026. The connection type table maps "CT1 Phase A CT2 Phase B CT3 Phase C". Location: Datasheet page 1 Features and connection type table |
| Mounting | Indoor; outdoors or wet locations only inside a rated electrical enclosureDocumented claim ConditionsPrinted as "Indoor Use: Suitable for indoor use. Outdoor Use/Wet Locations: Suitable for use outdoors or in wet locations if mounted inside an electrical enclosure" in the Specifications chapter of Continental Control Systems' WND-WR-MB installation guide (WND-WR-MB-Inst-1.08), captured October 3, 2026. Location: Installation guide 5.5 Environmental Printed as "Indoor Use: Suitable for indoor use. Outdoor Use/Wet Locations: Suitable for use outdoors or in wet locations if mounted inside an electrical enclosure" in the Specifications chapter of Continental Control Systems' WND-WR-MB installation guide (WND-WR-MB-Inst-1.08), captured October 3, 2026. Location: Installation guide 5.5 Environmental |
| Operating temperature | -40 to 80 °C-40 to 176 °F convertedDocumented claim ConditionsPrinted as "Operating Temperature: -40°C to 80°C (-40°F to 176°F)" in the Specifications chapter of Continental Control Systems' WND-WR-MB installation guide (WND-WR-MB-Inst-1.08), captured October 3, 2026. Location: Installation guide 5.5 Environmental Printed as "Operating Temperature: -40°C to 80°C (-40°F to 176°F)" in the Specifications chapter of Continental Control Systems' WND-WR-MB installation guide (WND-WR-MB-Inst-1.08), captured October 3, 2026. Location: Installation guide 5.5 Environmental |
| Power input | Line powered, 100 to 600 Vac, line-to-neutral or line-to-lineDocumented claim ConditionsPrinted as "Power Supply Input Terminals: VA and VB (the meter supply can operate line-to-neutral or line-to- line)" in the Specifications chapter of Continental Control Systems' WND-WR-MB installation guide (WND-WR-MB-Inst-1.08), captured October 3, 2026. The datasheet prints "Line powered from 100 to 600 Vac". The guide prints "Power Supply Watts: typical 1.0 W, maximum 2.5 W". Location: Installation guide 5.2 Electrical Printed as "Power Supply Input Terminals: VA and VB (the meter supply can operate line-to-neutral or line-to- line)" in the Specifications chapter of Continental Control Systems' WND-WR-MB installation guide (WND-WR-MB-Inst-1.08), captured October 3, 2026. The datasheet prints "Line powered from 100 to 600 Vac". The guide prints "Power Supply Watts: typical 1.0 W, maximum 2.5 W". Location: Installation guide 5.2 Electrical Official instruction manual · WattNode Wide-Range Modbus Electric Power Meter, Installation Guide, model WND-WR-MB, WND-WR-MB-Inst-1.08 (ctlsys.com, October 3, 2026 capture)Official datasheet · WND-WR-MB WattNode Wide-Range Modbus Meter datasheet, Doc ID WND-WR-MB-DS1, 2020-02-12 (ctlsys.com, October 3, 2026 capture) [1, 2] |
| Safety listing | UL Listed (U.S. and Canada), file E359088: UL 61010-1, 3rd Edition; UL 2808; CAN/CSA-C22.2 No. 61010-1-12, 3rd EditionDocumented claim ConditionsPrinted as "Safety: UL Listed: U.S. and Canada, E359088: UL 61010-1, 3rd Edition; UL 2808; CAN/CSA-C22.2 No. 61010-1-12, 3rd Edition" in the Specifications chapter of Continental Control Systems' WND-WR-MB installation guide (WND-WR-MB-Inst-1.08), captured October 3, 2026. Location: Installation guide 5.4 Regulatory Printed as "Safety: UL Listed: U.S. and Canada, E359088: UL 61010-1, 3rd Edition; UL 2808; CAN/CSA-C22.2 No. 61010-1-12, 3rd Edition" in the Specifications chapter of Continental Control Systems' WND-WR-MB installation guide (WND-WR-MB-Inst-1.08), captured October 3, 2026. Location: Installation guide 5.4 Regulatory |
| Voltage range | 100 to 600 VDocumented claim ConditionsPrinted as "Power Supply Nominal Operating Voltage: 100 to 600 Vac" in the Specifications chapter of Continental Control Systems' WND-WR-MB installation guide (WND-WR-MB-Inst-1.08), captured October 3, 2026. The same section prints "Power Supply Voltage Range: ±15% (85 to 690 Vac)" and "Nominal Line-to-Line Vac: 120 to 600 Vac". Location: Installation guide 5.2 Electrical Printed as "Power Supply Nominal Operating Voltage: 100 to 600 Vac" in the Specifications chapter of Continental Control Systems' WND-WR-MB installation guide (WND-WR-MB-Inst-1.08), captured October 3, 2026. The same section prints "Power Supply Voltage Range: ±15% (85 to 690 Vac)" and "Nominal Line-to-Line Vac: 120 to 600 Vac". Location: Installation guide 5.2 Electrical |
| Weight | 0.23 kg0.51 lb convertedCalculated233 g / 1000 g/kg = 0.233 kg ConditionsPrinted as "Weight: 233 g (8.2 oz)" in the Specifications chapter of Continental Control Systems' WND-WR-MB installation guide (WND-WR-MB-Inst-1.08), captured October 3, 2026. The datasheet prints the same weight. Location: Installation guide 5.6 Mechanical Printed as "Weight: 233 g (8.2 oz)" in the Specifications chapter of Continental Control Systems' WND-WR-MB installation guide (WND-WR-MB-Inst-1.08), captured October 3, 2026. The datasheet prints the same weight. Location: Installation guide 5.6 Mechanical |
Warranty
| Warranty term | 5 yearsDocumented claim ConditionsPrinted as "All products sold by Continental Control Systems, LLC (CCS) are guaranteed against defects in material and workmanship for a period of five years from the original date of shipment." in the Specifications chapter of Continental Control Systems' WND-WR-MB installation guide (WND-WR-MB-Inst-1.08), captured October 3, 2026. Location: Installation guide 5.8 Warranty Printed as "All products sold by Continental Control Systems, LLC (CCS) are guaranteed against defects in material and workmanship for a period of five years from the original date of shipment." in the Specifications chapter of Continental Control Systems' WND-WR-MB installation guide (WND-WR-MB-Inst-1.08), captured October 3, 2026. Location: Installation guide 5.8 Warranty |
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Certificate records
No records documented.
Sources and revisions
- WattNode Wide-Range Modbus Electric Power Meter, Installation Guide, model WND-WR-MB, WND-WR-MB-Inst-1.08 (ctlsys.com, October 3, 2026 capture)Official instruction manual · Checked Oct 3, 2026https://ctlsys.com/wp-content/uploads/2023/07/WND-WR-MB-WattNode-Install-Guide.pdf
- WND-WR-MB WattNode Wide-Range Modbus Meter datasheet, Doc ID WND-WR-MB-DS1, 2020-02-12 (ctlsys.com, October 3, 2026 capture)Official datasheet · Checked Oct 3, 2026https://ctlsys.com/wp-content/uploads/2018/12/WND-WR-MB-Meter-Datasheet.pdf