Description
Keep your critical servers, networks, and edge equipment protected with APC’s Symmetra RM SYH4K6RMT-TF3.
This 10 U, double-conversion on-line UPS ships with two hot-swappable power modules (4 kVA) and two SYBT2 battery modules, giving you N+1 redundancy out of the box and field scalability to 6 kVA / 6 kVA. A factory-integrated 208 V → 120 V step-down transformer adds four NEMA L5-20R 120 V outlets alongside the native 208 V receptacles—ideal for mixed-voltage racks.
Key benefits
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True on-line topology for zero-transfer protection
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Scalable & serviceable: add 1 kVA power modules and battery packs in minutes
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Built-in Network Management Card 2 with environmental monitoring
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Internal & manual bypass ensures maintenance without shutdown
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2-year repair/replace warranty with optional on-site upgrades
| Category | Specification |
|---|---|
| SKU / Model | SYH4K6RMT-TF3 |
| Topology | Double-Conversion On-Line |
| Rated / Max Configurable Power | 4 kVA / 4 kW (ships) · scalable to 6 kVA / 6 kW |
| Redundancy | N+1 (with two power modules installed) |
| Input | 208 V, 60 Hz ± 3 Hz · NEMA L6-30P · Power factor 0.98 |
| Output Voltages | 208 V / 240 V (configurable) ; 120 V via integrated transformer |
| Output Receptacles | 4 × NEMA L5-20R (120 V) · 2 × NEMA L6-20R (208 V) |
| Run-Time @ Full Load | 12 min 31 s @ 2.8 kW (with 2 battery modules) |
| Battery | 2 × SYBT2 hot-swappable VRLA; 2 empty slots (accepts up to 4) · 4 h recharge |
| Efficiency | 85 % (online, full load) |
| Form Factor / Size | 10 U rack-mount · H 17.52 × W 19.02 × D 28.74 in (44.5 × 48.3 × 73 cm) |
| Weight | 324.7 lb / 147.3 kg (unit) |
| Operating Environment | 0 – 40 °C · 0 – 95 % RH · up to 10 000 ft |
| Noise | 60 dBA |
| Interfaces | SmartSlot × 1 (populated with NMC2) · LCD status panel · EPO |
| Certifications | UL 1778 · CSA · FCC Part 15 Class A |
| Warranty | 2-year repair/replace; extended on-site options available |
| GTIN | 731304740209 |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
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
A decade of delivery — trusted by 275+ clients across industries
