Description
📌 Product Overview
The RELIANCE UVZ3455 VZ3000-DASR-1/RIPS-2 is a high-power AC inverter drive assembly designed for industrial motor control applications. It belongs to the Reliance Electric VZ3000 drive family and is used in demanding automation systems requiring controlled three-phase motor operation.
The UVZ3455 is identified as a chassis-mounted inverter unit with a 55 kW power rating. The drive assembly is designed around a modular architecture that includes the main inverter power section, bus section, regulator/control section, and associated peripheral components.
The VZ3000 platform uses digital inverter control technology for industrial motor applications. Its architecture supports motor speed control, process control, monitoring, fault supervision, and communication functions when installed and configured as part of a compatible drive system.
⚠️ The exact DASR-1/RIPS-2 configuration should be verified against the identification labels and installed components before replacement. Legacy VZ3000 drive assemblies can have different system configurations and associated control hardware.
⚙️ Product Datasheet
| Parameter | Specification |
|---|---|
| Brand | RELIANCE ELECTRIC |
| Model | UVZ3455 |
| Configuration | VZ3000-DASR-1 / RIPS-2 |
| Series | VZ3000 |
| Product Name | AC Inverter Drive |
| Product Type | Three-Phase Inverter Unit |
| Rated Power | 55 kW |
| Input Supply Class | 400 V Class |
| DC Input Range | Approx. 460–715 VDC |
| Phase | Three Phase |
| Output Frequency | 0–120 Hz |
| Rated Output Current | Approx. 140 A |
| Short-Term Overload Current | Approx. 210 A for 1 minute |
| Control Technology | IGBT PWM Digital Control |
| Enclosure Type | Chassis Mount |
| Communication | RS-232C Interfaces |
| Carrier Frequency | Approx. 3 kHz |
| Cooling Method | Forced Air Cooling |
| Operating Temperature | Approx. -10°C to +55°C |
| Humidity Range | Approx. 5–95%, non-condensing |
| Main Power Section Dimensions | Approx. 1173 × 210 × 335 mm |
| Main Power Section Weight | Approx. 27 kg |
| Regulator Unit Weight | Approx. 2.5 kg |
| Country of Origin | Verify from actual nameplate |
| Condition | Verify actual unit condition |
The UVZ3455 is identified as a 55 kW, three-phase VZ3000 inverter unit with a 400 V supply class and chassis-type construction. The power assembly uses a modular arrangement including bus, IGBT, and regulator sections.
🔧 Key Features
- High-power 55 kW inverter drive platform
- Reliance Electric VZ3000 series architecture
- Three-phase motor control
- IGBT-based PWM inverter technology
- Digital control system
- Chassis-mounted industrial design
- Separate power and regulator sections
- Multiple analog and digital control signals
- RS-232C communication capability
- Forced-air cooling system
- Suitable for integration into industrial control cabinets
- Designed for demanding legacy automation applications
The documented UVZ3455 configuration includes a bus unit, IGBT unit, regulator unit, and associated drive components. Its regulator section supports control and communication functions for integration with the wider drive system.
🏭 Typical Applications
Industrial Motor Control
The UVZ3455 can be used in compatible industrial drive systems requiring controlled operation of high-power AC motors.
Production Machinery
VZ3000 drives may be encountered in automated production equipment where stable speed control and process integration are required.
Material Handling Systems
High-power inverter systems are commonly used in conveyor, handling, processing, and machinery applications.
Legacy Equipment Maintenance
The UVZ3455 is particularly relevant for maintaining older Reliance Electric VZ3000 installations where the original drive architecture must remain compatible with the existing motor and control system.
Spare Parts Inventory
For factories operating legacy VZ3000 systems, maintaining a compatible inverter assembly can help reduce downtime caused by failure of an original drive unit.
🛠️ Installation Notes
Before installing a UVZ3455 replacement, carefully compare the complete drive configuration with the original unit.
Recommended checks include:
- Confirm the UVZ3455 part number.
- Verify the VZ3000-DASR-1/RIPS-2 identification.
- Check the drive voltage class.
- Confirm motor compatibility.
- Verify the bus and inverter section.
- Compare regulator and control hardware.
- Check all power terminals and control connectors.
- Verify cabinet mounting dimensions.
- Confirm grounding connections.
- Check cooling and ventilation requirements.
- Verify communication settings.
- Perform controlled commissioning before full production operation.
The drive should be installed inside a suitable control cabinet with adequate ventilation and protection from excessive dust, condensation, corrosive gases, and direct environmental exposure.
🔍 Inspection & Testing
For a used or surplus UVZ3455, the following checks are recommended:
- Verify the RELIANCE ELECTRIC identification label
- Confirm UVZ3455 model information
- Check the VZ3000-DASR-1/RIPS-2 configuration
- Inspect the chassis for mechanical damage
- Inspect power terminals
- Check bus connections
- Inspect IGBT power components
- Inspect the regulator unit
- Check cooling fans
- Inspect communication ports
- Check control terminals
- Inspect for overheating or discoloration
- Check for corrosion or contamination
- Verify insulation and grounding
- Perform controlled power-up testing
- Check diagnostic and fault indications
- Test the drive only with compatible equipment and proper safety procedures
A meaningful functional inspection should include more than a simple power-on check. Motor-control systems should be tested for control response, current feedback, communication, fault monitoring, and cooling performance.
🧰 Maintenance Notes
Keep the drive cabinet clean and maintain adequate airflow around the power components. Cooling performance is important because high-power inverter systems generate significant heat during operation.
Inspect the cooling fan regularly and check for dust accumulation around the heat-generating components. Loose power connections can create excessive heat and should be corrected before the drive is returned to service.
Use appropriate ESD precautions when handling the regulator and control electronics. Before replacing the drive, record the existing control settings and wiring configuration whenever possible.
For long-term storage, keep the assembly in a dry, clean environment protected from condensation, corrosive gases, and conductive dust.
❓ Frequently Asked Questions
Q: What is the RELIANCE UVZ3455?
A: The UVZ3455 is a high-power VZ3000 series three-phase inverter unit used for industrial motor control.
Q: What power rating does the UVZ3455 have?
A: The documented rating for the UVZ3455 is 55 kW.
Q: Is UVZ3455 a complete motor?
A: No. It is an inverter drive assembly used to control a compatible electric motor.
Q: What control technology does it use?
A: The UVZ3455 uses IGBT-based PWM digital inverter control technology.
Q: Is the UVZ3455 a three-phase drive?
A: Yes. It is identified as a three-phase inverter unit.
Q: Can another VZ3000 model directly replace UVZ3455?
A: Not automatically. The voltage class, power rating, motor requirements, control configuration, installed hardware, and complete part identification must be checked before replacement.
Q: What does DASR-1/RIPS-2 mean?
A: These markings identify the specific configuration supplied with the listed drive assembly. The exact meaning and installed hardware should be verified from the physical unit because legacy VZ3000 systems can use configuration-specific control components.
Q: Is this suitable for cabinet installation?
A: Yes. The UVZ3455 is documented as a chassis-type inverter assembly intended for installation inside suitable industrial control cabinets.
🔄 Related RELIANCE Models
The following Reliance Electric VZ3000 products are related industrial drive components and should not be considered automatic replacements for UVZ3455:
- RELIANCE UVZ3022
- RELIANCE UVZ3030
- RELIANCE UVZ3037
- RELIANCE UVZ3201
- RELIANCE UVZ3207
- RELIANCE UBZ3455
- RELIANCE UGZ3455
- RELIANCE UAZ3022
- RELIANCE UAZ3037
- RELIANCE VZ3000 Series Drive Modules
These models belong to related VZ3000 drive architectures or associated power assemblies. Exact replacement compatibility should always be confirmed using the complete part number, voltage class, power rating, control hardware, and equipment configuration.
📦 Identification & Ordering Notes
When sourcing a replacement unit, compare:
Brand: RELIANCE ELECTRIC
Model: UVZ3455
Series: VZ3000
Configuration: VZ3000-DASR-1/RIPS-2
Product Type: AC Inverter Drive
Rated Power: 55 kW
Also verify the voltage rating label, installed regulator hardware, bus and IGBT sections, connector arrangement, communication configuration, motor application, and physical mounting dimensions before installation.
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RELIANCE UVZ3455 | VZ3000-DASR-1 RIPS-2 55kW AC Inverter Drive
