Přehled produktů
The VIOX LW30 load disconnect switch is a rotary conversion switch for AC 50Hz circuits with rated working voltage up to 440V and conventional thermal current up to 100A. It is used as a main switch for ventilation equipment, air-conditioning systems, water pumps, machinery, and control panels, and may directly control appropriately rated small AC motors.
The series covers 20A, 25A, 32A, 40A, 63A, 80A, and 100A configurations. Available ordering options include auxiliary contacts, neutral and grounding terminals, panel or single-hole mounting, padlock arrangements, operator markings, and a thermoplastic sealing enclosure.
Možnosti modelu
| Current Frame | Označení modelu | Conventional Thermal Current | Reference Ue |
|---|---|---|---|
| 20A / 25A | LW30-25 (20) | 25A (20A option) | 240/440V AC |
| 32A | LW30-32 | 32A | 240/440V AC |
| 40A | LW30-40 | 40A | 240/440V AC |
| 63A | LW30-63 | 63A | 240/440V AC |
| 80A | LW30-80 | 80A | 240/440V AC |
| 100A | LW30-100 | 100A | 240/440V AC |
Klíčové vlastnosti
- 20A to 100A frame range for load switching and small-motor applications
- Rated working voltage up to 440V AC at 50Hz
- AC-23A and AC-3 operational ratings stated by current frame
- Panel, padlock-panel, and single-hole mounting configurations
- IP20 without a switch box or optional IP65 thermoplastic sealing enclosure
- Optional auxiliary contact, neutral terminal, and grounding terminal
- Compact rotary construction with finger-protection features
- Additional contact blocks can be fitted without removing the switch body
Technické specifikace
| Parametr | Specifikace |
|---|---|
| Typ produktu | Rotary load disconnect / conversion switch |
| Jmenovitá frekvence | AC 50Hz |
| Conventional thermal current (Ith) | 20A, 25A, 32A, 40A, 63A, 80A, or 100A |
| Jmenovité provozní napětí (Ue) | Až 440V AC |
| Utilization categories in supplied reference | AC-21A, AC-22A, AC-23A, and AC-3 |
| Úroveň ochrany | IP20 without switch box; IP65 with thermoplastic sealing box |
| Working regime | 8-hour duty / intermittent duty |
| Reference operating frequency | 30 operations per hour |
| Electrical lifespan | 10,000 operations for AC-23; 6,000 for AC-3; 2,000 for auxiliary contacts |
Utilization-Category Reference Ratings
For AC-23A and AC-3, each pair is shown at 240V followed by 440V. Confirm the exact load, pole arrangement, and switching duty before selection.
| Rám | AC-21A / AC-22A | AC-23A at 240V / 440V | AC-3 at 240V / 440V |
|---|---|---|---|
| LW30-25 (20) | 20A / 20A | 15A/4kW · 15A/7.5kW | 11.7A/3kW · 11.7A/5.5kW |
| LW30-32 | 32A / 32A | 22A/5.5kW · 22A/11kW | 15A/4kW · 15A/7.5kW |
| LW30-40 | 40A / 40A | 30A/7.5kW · 30A/15kW | 22A/7.5kW · 22A/11kW |
| LW30-63 | 63A / 63A | 43A/11kW · 43A/22kW | 36A/11kW · 36A/18.5kW |
| LW30-80 | 80A / 80A | 57A/18.5kW · 57A/30kW | 43A/15kW · 43A/22kW |
| LW30-100 | 100A / 100A | 70A/22kW · 70A/37kW | 57A/18.5kW · 57A/30kW |
Configuration and Ordering
Select the LW30 by current frame, utilization category, poles, installation method, enclosure, optional terminals, and operator details. The conventional thermal-current marking alone does not define the allowable motor load.
Elektrická konfigurace
Specify current frame, poles, load type, operating voltage, and AC-23A or AC-3 duty. State whether auxiliary contacts, a neutral terminal, or a grounding terminal are required.
Installation and Protection
Choose padlock-panel mounting, standard panel mounting, or single-hole mounting. Specify an open IP20 arrangement or the optional IP65 thermoplastic sealing box.
Operator and Marking
Provide the panel cut-out, shaft arrangement, panel background color, engraving requirement, handle style, quantity, and destination market.
The supplied ordering reference lists panel-hole options of 22.5mm, 25mm, and 30.5mm and handle codes including R, I, and K. Confirm the exact code string with VIOX before placing the order.
Information Required for Selection
- Current frame, rated voltage, utilization category, and load details
- Number of poles and required switching function
- Auxiliary contact, neutral terminal, and grounding terminal requirements
- Panel, padlock-panel, or single-hole installation
- IP20 open construction or IP65 enclosure
- Panel cut-out, operator, background color, engraving, and handle code
- Quantity, OEM marking, required documents, and destination market
Aplikace
Typical LW30 load-isolation and switching applications include:
- Ventilation and air-handling equipment
- Air-conditioning systems
- Water pumps and small motor loads
- Machine and equipment main switches
- Control panels and distribution equipment
- Panel-mounted maintenance isolation
- Elektrická zařízení OEM
Operating and Installation Conditions
- Ambient temperature: −25°C to +40°C
- Average temperature over 24 hours: not more than +25°C
- Maximum installation altitude: 2000m
- Relative humidity: up to 50% at +40°C; higher humidity may be permissible at lower temperatures
- Reference humidity condition: up to 90% at +20°C, with precautions against condensation
- Installation environment: pollution degree 3
- Install according to the selected mounting method, enclosure, wiring arrangement, and product instructions
Standards Reference
The supplied technical material references GB/T 14048.3, GB/T 14048.5, and EN 60947-5-1. These are standards references, not a blanket certification claim. Applicable conformity, test documents, and destination-market certification must be confirmed for the exact current frame, utilization category, enclosure, and application before ordering.
ČASTO KLADENÉ DOTAZY
What is an LW30 load disconnect switch used for?
It provides manual rotary switching and isolation for equipment such as ventilation systems, air-conditioning units, pumps, machinery, and control panels.
Can the LW30 directly control a motor?
It may directly control an appropriately rated small AC motor. Select from the AC-3 current and power values at the actual operating voltage, not from Ith alone.
What is the difference between the IP20 and IP65 versions?
The supplied reference states IP20 without a switch box. A thermoplastic sealing box is available for an IP65 arrangement; confirm the complete assembly and installation requirements.
Which optional terminals are available?
The ordering system includes options for a side-mounted auxiliary contact, a neutral terminal, and a grounding terminal.
What information is required for an LW30 quotation?
Provide current frame, voltage, load category, poles, mounting method, enclosure, optional contacts and terminals, operator details, quantity, and destination market.
