24,709 products found from 1,176  

Wholesale Low Frequency Ups

manufacturers & suppliers

5kVA-500kVA UPS Low /High Frequency Online UPS Power Supply

FOB Price: US $ 3500-3900 / Piece
Min. Order: 1 Piece
  • Phase: Three Phase
  • Type: On-line
  • Protection: Overvoltage Short Circuit Overcurrent Unbalanced
  • Application: Fire Safety Defence Communication Spaceflight
  • Classification: Lighting/Power
  • Standby Time: Long-acting Machine

Prt-100kVA (3: 3) Industrial-Grade Online Low Frequency UPS (Transformer Base)

Min. Order: 1 Piece
  • Phase: 3phase in, 3phase out
  • Type: Low Frequency,Online,DSP Digital Control Tech.
  • Protection: Full Protections
  • Application: Power Supply Areas
  • Classification: Industrial-Grade Online Low Frequency UPS
  • Standby Time: Long-acting Machine

Low Frequency Sine Wave Home UPS (N-PSW1K-6KW)

FOB Price: US $ 160-450 / Piece
Min. Order: 1 Piece
  • Nature of Source Flow: Active Inverter
  • Certification: ISO9001, CE
  • Output Power: 1-6kw
  • Grid Type: off-Grid Inverter
  • Output Type: Single
  • Circuit Topologies: Half-Bridge Type

1kVA~500kVA Modular/Static/Low Frequency Power Supply Online UPS

FOB Price: US $ 20-100000 / Set
Min. Order: 1 Set
  • Phase: Single Phase
  • Type: On-line
  • Protection: Overvoltage
  • Application: Communication
  • Classification: Lighting/Power
  • Standby Time: Long-acting Machine

Three Phase 380V 400V 415VAC Low Frequency Online UPS 10k-200kVA with Cheap Price

FOB Price: US $ 2000 / Piece
Min. Order: 1 Piece
  • Phase: Three Phase
  • Type: On-line
  • Protection: Short Circuit
  • Application: Industry
  • Classification: Lighting/Power
  • Standby Time: Long-acting Machine

High Quality Low Frequency Online UPS 30kVA 40kVA

FOB Price: US $ 400-4500 / Piece
Min. Order: 1 Piece
  • Phase: Single Phase
  • Type: On-line
  • Protection: Overvoltage
  • Application: Industry
  • Classification: Lighting/Power
  • Standby Time: Long-acting Machine

Low Frequency Single Phase Pure Sine Wave Office Online UPS

FOB Price: US $ 1232-2240 / Piece
Min. Order: 1 Piece
  • Product Name: 1p/1p Low Frequency, Pure Sine Ware UPS
  • Material: Metal
  • Input Voltage: 165 ~ 275 VAC
  • Output Voltage: 220V ± 2% (Battery Mode)
  • Frequency: 45 ~ 65 Hz
  • Thd: < 3% (Battery Mode)

Three Phase Low Frequency Online UPS (TC10K-120K)

FOB Price: US $ 2200-10500 / Piece
Min. Order: 1 Piece
  • Phase: Three Phase
  • Type: Low UPS
  • Protection: Overvoltage
  • Application: Communication
  • Classification: Power
  • Standby Time: Long-acting Machine

Single Phase Output Low Frequency Online UPS with 6-15kVA

Min. Order: 1 Piece
  • Phase: Single Phase
  • Type: On-line
  • Protection: Unbalanced Loads
  • Application: Industry
  • Classification: Lighting/Power
  • Standby Time: Long-acting Machine

Low Frequency 160kVA Online UPS for Factory

FOB Price: US $ 16600-18750 / Set
Min. Order: 1 Set
  • Phase: Three Phase
  • Type: On-line
  • Protection: Unbalanced Loads
  • Application: Defence
  • Classification: Lighting/Power
  • Standby Time: Long-acting Machine

Sun-33t Series 3 Phase 300kVA Low Frequency UPS

FOB Price: US $ 21000-67000 / Piece
Min. Order: 1 Piece
  • Phase: Three Phase
  • Type: On-line
  • Protection: Overvoltage
  • Application: Communication
  • Classification: Lighting/Power
  • Standby Time: Long-acting Machine

Stcb Low Frequency UPS 3 Phase 10kVA - 80kVA for Medical Machine

FOB Price: US $ 1600-4050 / Piece
Min. Order: 1 Piece
  • Phase: Three Phase
  • Type: On-line
  • Protection: Over Voltage / Short Circuit
  • Application: Industry
  • Standby Time: Long-acting Machine
  • Standby UPS: Sine Wave Output UPS

Zysw600t Low Frequency Sine Wave Home UPS

FOB Price: US $ 54.47 / Piece
Min. Order: 10 Pieces
  • Phase: Single
  • Type: DC/AC Inverters
  • Protection: Overvoltage
  • Application: Communication
  • Classification: Inverter with Charger
  • Standby Time: Standard Machine

Low Frequency Sine Wave Home UPS (N-PSW1K-6KW)

FOB Price: US $ 164-450 / Piece
Min. Order: 1 Piece
  • Nature of Source Flow: Active Inverter
  • Certification: ISO9001, CE
  • Output Power: 1-6kw
  • Grid Type: off-Grid Inverter
  • Output Type: Single
  • Circuit Topologies: Half-Bridge Type

PSU1K~20kVA (1: 1) Industrial-Grade Online Low Frequency UPS (Transformer Base)

Min. Order: 1 Piece
  • Phase: 1phase in, 1phase out
  • Type: Low Frequency,Online, Advanced IGBT Technology
  • Protection: Full Protections
  • Application: Power Supply Areas
  • Classification: Industrial-Grade Online Low Frequency UPS
  • Standby Time: Long-Active UPS Machine or Standard UPS Machine

High Reliability Low Frequency Pure Sine Wave 3 Phase Online UPS

FOB Price: US $ 1000-5000 / Piece
Min. Order: 1 Piece
  • Phase: Three Phase
  • Protection: Short Circuit
  • Application: Fire Safety
  • Classification: Lighting/Power
  • Standby Time: Long-acting Machine
  • Standby UPS: Sine Wave Output UPS

8kw 384V Low Frequency Three Phase Online UPS

FOB Price: US $ 2307.69 / Piece
Min. Order: 1 Piece
  • Phase: Three Phase
  • Type: On-line
  • Protection: Short Circuit
  • Brand: Solarhm
  • Weight: 200kg
  • Property: Three Input Three Output

Low Frequency Line Interactive 1kVA UPS

FOB Price: US $ 67-800 / Piece
Min. Order: 1 Piece
  • Phase: Single Phase
  • Type: Line Interactive
  • Protection: Overvoltage
  • Application: Industry
  • Classification: Lighting/Power
  • Standby Time: Standard Machine

Low Frequency Online UPS with Isoltion Transformer

FOB Price: US $ 500-5000 / Piece
Min. Order: 1 Piece
  • Phase: Three Phase
  • Type: On-line
  • Protection: Overvoltage
  • Application: Communication
  • Classification: Lighting/Power
  • Standby Time: Standard Machine

Low Frequency UPS DC Power System Online UPS 10kVA

FOB Price: US $ 3500-3900 / Piece
Min. Order: 1 Piece
  • Phase: Three Phase
  • Type: On-line
  • Protection: Overvoltage Short Circuit Overcurrent Unbalanced
  • Application: Fire Safety Defence Communication Spaceflight
  • Classification: Lighting/Power
  • Standby Time: Long-acting Machine

10kVA Three Phase Industrial Low Frequency Online UPS

FOB Price: US $ 2000-40000 / Piece
Min. Order: 1 Piece
  • Phase: Three Phase
  • Type: On-line
  • Protection: Overload
  • Application: Communication
  • Classification: Lighting/Power
  • Standby Time: Long-acting Machine

Good Quality Low Frequency 40kVA Online UPS with Battery Backup

FOB Price: US $ 7-22 / Piece
Min. Order: 1 Piece
  • Nature of Source Flow: Passive inverter
  • Certification: CCC, ISO9001, UL, RoHS
  • Output Power: 50 - 100W
  • Grid Type: Grid Inverter
  • Output Type: Multiple
  • Circuit Topologies: Push-Pull Type

Low Frequency Online UPS with LCD Psw Power Inverter (QW-LF900096)

FOB Price: US $ 1 / Piece
Min. Order: 2 Pieces
  • Nature of Source Flow: Passive inverter
  • Certification: RoHS, CE
  • Output Power: 9kVA
  • Grid Type: off-Grid Inverter
  • Output Type: Single
  • Circuit Topologies: Full-Bridge Type

220/230/240VAC Low Frequency UPS Three Phase UPS Gp9111c

Min. Order: 10 Pieces
  • Phase: Three Phase
  • Type: On-line
  • Protection: Overvoltage
  • Application: Communication
  • Classification: Lighting
  • Standby Time: Standard Machine

Isolated Transformer Low Frequency Online UPS for Data

FOB Price: US $ 850 / Piece
Min. Order: 1 Piece
  • Phase: Single Phase
  • Type: On-line
  • Protection: Short Circuit
  • Feature: Low Frequency
  • Transformer: Isolated Transformer
  • Color: Black/Whilte

Three Phases Low Frequency Online UPS with Power Factor 0.8

Min. Order: 1 Piece
  • Phase: Single Phase
  • Type: On-line
  • Protection: Unbalanced Loads
  • Application: Industry
  • Classification: Lighting/Power
  • Standby Time: Long-acting Machine

10kVA-200kVA Low Frequency Online UPS Full Intelligent Digital UPS

FOB Price: US $ 2000-30000 / Piece
Min. Order: 1 Piece
  • Phase: Three Phase
  • Type: On-line
  • Protection: Short Circuit
  • Capacity: 10kVA~200kVA
  • Input Voltage: 400V Three Phase
  • Power Factor: 0.9

2017 Supstech Sun-T Series 3kVA Low Frequency Long Backup UPS

FOB Price: US $ 350-3000 / Piece
Min. Order: 1 Piece
  • Phase: Single Phase
  • Type: On-line
  • Protection: Overcurrent
  • Application: Communication
  • Classification: Lighting/Power
  • Standby Time: Long-acting Machine

Zysw800t Low Frequency Sine Wave Home UPS

FOB Price: US $ 57.63 / Piece
Min. Order: 10 Pieces
  • Phase: Single
  • Type: DC/AC Inverters
  • Protection: Overvoltage
  • Application: Communication
  • Classification: Inverter with Charger
  • Standby Time: Standard Machine

China Popular Low Frequency Pure Sine Wave 6kw Home UPS

FOB Price: US $ 256 / Piece
Min. Order: 10 Pieces
  • Output Power: >1000W
  • Type: DC/AC Inverters
  • Output Wave Form: Pure Sine Wave
  • Input Voltage: 155-265VAC
  • Application: Home Application
  • Max Charge Current: Max 70AMP
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