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APC SU042-2 Rackmount Automatic Transfer Redundant Switch
- Rackmount form factor for easy integration into server racks.
- Automatic transfer capability for seamless power source switching.
- Redundant power input for enhanced reliability.
- Designed for critical IT infrastructure and sensitive equipment.
- Provides uninterrupted power during utility outages or equipment failures.
- Supports high availability for connected devices.
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Key specifications
See full specs ↓- Product Type
- Automatic Transfer Switch
- Form Factor
- Rackmount
- Input Voltage
- 100-240V AC
- Output Connections
- Multiple C13/C19 outlets (specific count varies)
- Switching Time
- Near-instantaneous
- Management
- Network manageable (specific features vary)
Product details
The APC SU042-2 is a rackmount automatic transfer switch designed to provide redundant power to critical equipment. It ensures continuous operation by automatically switching to an alternate power source if the primary source fails.
Technical Information
| Product Type | Automatic Transfer Switch |
| Form Factor | Rackmount |
| Input Voltage | 100-240V AC |
Additional Specifications
| Output Connections | Multiple C13/C19 outlets (specific count varies) |
| Switching Time | Near-instantaneous |
| Management | Network manageable (specific features vary) |
Description
The APC SU042-2 is engineered to safeguard sensitive electronic equipment from power disruptions. Its core functionality lies in its ability to monitor two independent AC power sources and automatically switch the connected load to the secondary source should the primary source become unavailable. This automatic failover mechanism is crucial for maintaining uptime in environments where even brief power interruptions can lead to significant data loss or operational downtime. This rackmount unit is designed for straightforward installation within standard server racks, occupying minimal vertical space. The redundant power inputs allow for connection to diverse power grids or UPS systems, further bolstering the resilience of the power infrastructure. The switch is equipped with multiple output receptacles to power various pieces of IT equipment, ensuring that the entire critical load remains operational during power events. Beyond its automatic switching capabilities, the APC SU042-2 often includes features for remote monitoring and management. This allows IT administrators to track power source status, receive alerts on power events, and potentially configure switching parameters remotely. This proactive management approach is essential for maintaining the health and availability of critical IT assets.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
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Get volume pricing and availability for SU042-2.




