Description
The Eaton 124100027-004 Maintenance Bypass Panel is a high-performance power distribution accessory engineered for mission-critical UPS configurations. Designed specifically for the Eaton 9355 10–15 kVA UPS systems, this panel allows uninterrupted power delivery during UPS maintenance or replacement. It features three integrated circuit breakers, a panelboard with a 65kA interrupt rating, and built-in TVSS (Transient Voltage Surge Suppression) to protect against power anomalies. Encased in a durable ANSI 61 gray enclosure and UL 67 listed, it offers both operational flexibility and top-tier protection in a compact footprint.
| Specifications | Details |
|---|---|
| Manufacturer | Eaton Corporation |
| Part Number | 124100027-004 |
| Product Type | Maintenance Bypass Panel |
| Application | Eaton 9355 10–15 kVA UPS Systems |
| Input Voltage | 220 V AC |
| Output Voltage | 208Y/120 V AC |
| Power Rating | 15 kVA |
| Main Bus Rating | 100 Amps |
| Neutral Bus Rating | 200 Amps |
| Circuit Breakers | 3 Breaker Configuration |
| Panelboard Rating | 65 kA Interrupt Rating |
| Surge Protection | Integrated TVSS |
| Color | ANSI 61 Gray |
| Enclosure Type | UL / C-UL Listed per UL67 |
| Height | 90 in (approx.) |
| Width | 20 in |
| Depth | 5.8 in |
| Weight | Approx. 225 lb (Shipping: 300 lb) |
| Country of Origin | United States |
Payment & Security
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Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
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