Your rack's full. Switches, patch panels, a couple of servers, the KVM — all drawing power through one feed. Then the substation trips and you've got 20 seconds before the NAS starts its shutdown countdown.
This APC SRV3KRILRK drops straight into your rack as a 4U unit. 3kVA / 2400W of double-conversion online power, extended runtime battery included in the box, and the rail kit is already there so you're mounting it, not hunting for brackets at 6am.
The external battery pack (SRV72RLBP-9A compatible) gives you a real shutdown window — at full 2400W load you've got roughly 12 minutes and 44 seconds. Enough to flush writes, save sessions, and power down cleanly. The LCD on the front shows load and runtime so you're not guessing.
6× IEC C13 outlets plus 1× IEC C19 for higher-draw equipment. Internal automatic and manual bypass keeps your load live even if the UPS itself flags a fault. Drop in an AP9544, SRVSMB001, or VGL9901I card and you've got remote visibility from your monitoring stack.
Everything's in the box: power cables, USB cable, RS-232 config cable, rack brackets, support rails, external battery pack, and battery cable. Unbox, bolt it in, plug in. Done.
Add to cart and get your rack protected before the next storm cell tracks through
| brand | APC |
| series | Easy UPS SRV |
| model | SRV3KRILRK |
| ups_type | Online (Double Conversion) |
| rated_capacity_va | 3000 VA |
| rated_power_w | 2400 W |
| form_factor | Rackmount 4U |
| input_voltage | 230V AC single phase (220V / 240V) |
| input_connection | IEC 60320 C20 |
| output_voltage | 230V AC single phase (220V / 240V) |
| output_connections | 6× IEC 60320 C13, 1× IEC 60320 C19 |
| waveform | Sine wave |
| bypass | Internal (automatic and manual) |
| crest_factor | 3:1 |
| harmonic_distortion | 3 % |
| max_runtime_at_full_load | 12 min 44 s (at 2400W) |
| operating_load_range | 240–2400 W |
| rack_units | 4U |
| included_accessories | 1 IEC C19 to Schuko cable, 1 IEC C13 to C14 cable, 1 USB cable, 1 RS-232 config cable, 2 rack brackets, 2 support rails, 1 external battery pack, 1 battery cable |
| operating_temperature | 0–40 °C |
| storage_temperature | -20–50 °C |
| relative_humidity_operating | 0–95 % non-condensing |
| operating_altitude | 0–3000 m |
| acoustic_level | 50 dBA |
| heat_dissipation | 910 Btu/h |
| ip_rating | IP20 |
| compatible_battery | SRV72RLBP-9A |
| compatible_nmc | AP9544, SRVSMB001, VGL9901I |
| compatible_mounting | SRVRK1 |
| category | ELECTRONICS & COMPONENTS |
| subcategory | POWER & BATTERIES |
