P91g Online UPS - 2U Rack/Tower for Critical Loads

P91g Online UPS – 2U Rack/Tower for Critical Loads

1000VA-3000kVA

208VAC / 230VAC

Reliable power protection for schools, broadcast and media systems, restaurants, retail POS, and network infrastructure. Scalable runtimes with a 3-year warranty.

Category:

1000 VA – 3000 VA | 208VAC/230VAC | True Online Double-Conversion UPS

The Xtreme Power P91g UPS delivers dependable online double-conversion protection for 208/230V infrastructure. Built for commercial, industrial, and global deployments, the P91g ensures clean, continuous power to servers, controllers, medical devices, lab instruments, and more.

Available in 1 kVA, 1.5 kVA, 2 kVA, and 3 kVA models, the P91g brings the proven P91 architecture into higher-voltage environments.

Key Features & Benefits

  • 208/230V Input & Output – Optimized for commercial and global power systems.
  • True Online Double-Conversion – Delivers continuous, regulated AC power irrespective of input anomalies.
  • High Efficiency Design – Minimizes energy loss and heat even under partial load.
  • Scalable Runtime – Supports external battery packs to extend backup duration.
  • Advanced Communications – USB and RS-232 standard; optional Web/SNMP, relay, or Modbus cards for remote control.
  • Load Shedding & Prioritization – Drop non-critical loads to preserve uptime for essential systems.
  • Programmable Scheduling & Maintenance Modes – For auto shutdowns, restarts, or maintenance windows.
  • Self-Test & Diagnostic Monitoring – Routine internal testing and alerts assure system readiness.
  • Comprehensive Protection – Surge suppression, over/under voltage protection, event logging, and alerts.
  • 3-Year Warranty (Electronics & Battery) – Full support backed by Xtreme Power.

Options & Accessories

  • External Battery Packs – Increase runtime during extended power outages.
  • Web/SNMP Network Card – Enables remote monitoring, alerts, and auto-shutdown actions.
  • Relay / Dry Contact Card – Integrates with building management systems (BMS).
  • Modbus Card – Supports industrial communication protocols.
  • XBDM Maintenance Bypass Switch — Allows for UPS servicing without interrupting power to your loads. Learn more →

Applications

The P91g 208/230V UPS serves critical roles in environments where higher-line-voltage systems are standard:

  • Pro AV & Media – Ensures uninterrupted power for AV servers, switchers, and control processors in 230V setups. See UPS for Pro AV.
  • Data Centers & Edge IT – Clean, conditioned power for racks and network gear. Explore UPS for Data Centers & IT Infrastructure.
  • Industrial & Automation – Protect PLCs, control systems, sensors, and instrumentation in 208/230V environments. Check High-Temperature & Harsh Environment Solutions.
  • Medical & Laboratory – Reliable power for lab analyzers, medical devices, and diagnostic systems. See UPS for Medical Refrigerators.
  • Hospitality & Retail – Safeguard POS systems, networking, CCTV, and middleware in hotels and stores. Refer to Hospitality UPS Systems and UPS for Restaurants & Retail.
  • Point-of-Sale Systems – Ensure continuous transaction capabilities for cash registers and kiosks. See UPS for Point-of-Sale.
  • For 120V deployments, see the P91 120V models.

RELATED PRODUCTS

  • P91 120V UPS – Online UPS family for North American 120V systems.
  • P91 Li UPS – Lithium-ion variant for longer lifespan and reduced maintenance.
  • P91g Li UPS – 208/230V lithium-ion model combining efficiency and extended runtime.
  • T91i UPS – 208/230V tower UPS with unity power factor output.
  • J90i UPS – 1U lithium-ion UPS for 208/230V applications with switched receptacles for remote outlet control.

Contact Us

Ensure maximum protection for your 208/230V systems.
Contact Xtreme Power today to explore sizing, runtime options, and deployment strategies for the P91g UPS series.

Contact Us | View All Products | UPS Selector

(800) 582-4524

sales@xpcc.com

MODEL NUMBER P91gc-1000 P91g-1500 P91g-2000 P91g-3000
CAPACITY Power rating 1000VA (800W) 1500VA (1500W) 2000VA (2000W) 3000VA (3000W)
INPUT Voltage/frequency     208/220/230/240VAC* /  50/60Hz auto-sensing
OUTPUT Voltage 230VAC 230VAC nominal (200/208/220/230/240VAC selectable)***
Waveform Pure sine wave, 1U: <=3% THD (linear load), <=5% THD (non-linear load); 2U: <=2% THD (linear load), <=4 THD (non-linear load)
Frequency 50/60Hz ± 0.3Hz 50/60Hz ± 0.1Hz
Efficiency Up to 98% ECO mode or 94% online mode
Overload capacity 1U online mode: > 105% & ≤ 130% for 2 min; > 130% & ≤200% for 10 sec; >200% for 250 ms 2U online mode: > 110% & ≤ 130% for 5 min; > 130% & ≤140% for 30 sec; >140% for 1.5 sec
BATTERY Battery chemistry Sealed, maintenance-free lead acid
Battery  size (4) 6V 290W (3) 12V 9AH (4) 12V 9AH (6) 12V 9AH
Typical recharge / charger < 9 hours to 90% < 3 hours to 95% with 2A charger current
Charging current 1A 2A default,  adjustable Max 12A (1.5 & 2k)/8A (3k)
Charging voltage 27.4 VDC 41.1 VDC 54.8VDC 82.1VDC
PHYSICAL Dimensions (W x D x H)** 17.2 x 17.8 x 1.7 in
(437 x 452 x 43 mm)		 17.2 x 15.1 x 3.5 in
(437 x 384 x 89 mm)		 17.2 x 19 x 3.5 in
(437 x 482 x 89 mm)		 17.2 x 23.8 x 3.5 in
(437 x 605 x 89 mm)
Weight 28 lbs (12.7 kg) 34.2 lbs (15.5 kg) 43 lbs (19.5 kg) 60.6 lbs (27.5 kg)
Line cord C14 inlet, 8 ft (2.4 m) L6-20P to C13 line cord C20 inlet, 8 ft (2.4 m) L6-20P to C19 line cord
Receptacles (3) C13 (8) IEC C13 (1) IEC C19 + (8) IEC C13
Optional receptacles L6-20R, 6-20, 6-15 L6-30R, L6-20R, 6-20, 6-15
ENVIRONMENT Operating temperature 32–104°F (0–40°C)
Altitude 11,500 ft (3505 m) above sea level
APPROVALS CE, RoHS, TAA compliant (UPS only)
WARRANTY 3 years electronics, 3 years battery warranty (USA and Canada)
COMMUNICATIONS INTERFACE RS-232 (2U only), USB, EPO, intelligent slot for optional cards (Web/SNMP, Relay/dry contact, Modbus)
INCLUDED IN BOX ViewPower software, horizontal brackets, tower pedestals, user manual
AVAILABLE OPTIONS Bypass distribution (XBDM), power distribution (XPDU), 4-post rail kit, 2-post shelf kit, wall mount bracket (2U units) Optional L6-30R, L6-20R, 6-20, 6-15 dongles