Description
The Schneider Electric LV429441 (MTc 100/160) is a communicating motor mechanism module designed for ComPacT NSX 100 and 160 molded case circuit breakers (MCCBs). It allows for remote opening, closing, and resetting of the circuit breaker, and includes communication and SDE adaptor capabilities for advanced energy management and automated power distribution architectures.
Commercial and Logistics Status
| Parameter | Value |
| Condition | Factory Sealed / New Surplus (Verify specific unit availability upon inquiry) |
| Availability | Subject to current inventory status |
| Standard Lead Time | 3 to 5 business days for domestic shipments; international freight times vary |
| Warranty | 12 months standard replacement warranty |
| Pricing Note | Price subject to market conditions; contact us for a firm quote |
Technical Specifications
| Parameter | Value |
| Manufacturer | Schneider Electric |
| Product Range | ComPacT NSX (NSX100 and NSX160 frame sizes) |
| Part Number / Catalog ID | LV429441 (MTc 100/160) |
| Device Type | Communicating Motor Mechanism Module (Remote Operator) |
| Control Voltage (U_c) | 220 to 240 V AC at 50/60 Hz |
| Control Signal Type | Impulsive or maintained commands for remote ON, OFF, and Reset |
| Communication Capability | Integrated communication features for data exchange and control integration via bus networks |
| Included Components | Built-in SDE (fault trip indication) adaptor functionality |
| Mounting Mode | Front-mounted directly onto the circuit breaker frame |
| Operating Temperature | -25°C to +70°C |
Engineering and Field Integration Notes
When retrofitting or installing motor mechanisms onto ComPacT NSX circuit breakers, proper control wiring and mechanical setup ensure safe remote execution.
Integration Guidelines
- Control Voltage Verification: Ensure that the supply voltage matches the module rating (220–240 V AC). Utilizing incorrect control voltages can damage internal control coils or fail to actuate the spring-charging motor.
- Command Logic Configuration: The motor mechanism supports both manual override and remote automation commands. Configure your PLC or push-button logic to handle the charging time delay (typically less than 700 ms for closing) prior to sending sequential control signals.
- Safety Interlocks: Always integrate electrical and mechanical lockout/tagout procedures. Operating a motorized breaker remotely requires clear safety protocols to prevent unexpected energization during maintenance cycles.
Frequently Asked Questions
Q: Can the LV429441 motor mechanism be used for automatic transfer switching (ATS)?
A: While motor mechanisms are primary components in custom source-changeover or transfer systems, using them for automatic transfer switching requires dedicated controller logic (such as Schneider’s UA or NA controller architectures) to manage interlocks and timing sequences safely.
Q: Does this module allow local manual operation of the circuit breaker?
A: Yes. The front of the motor mechanism includes a mechanical selection switch or padlocking facility that lets operators switch between manual (local) and automatic (remote) modes of operation.
