Roots Blowers Suppliers

Usage: water treatment industry for aeration

Features: rugged structure and high flow capacity

Pressure rise: up to 78kpa

Cooling: natural air coolilng

Color: blue or silver, the color can be customized by customer

Noise: less than 85dB at normol working condition

Inlet flow rate: 15-1500m³/min

Outlet pressure: 1000-12000mmH2O

Environmental temperature: -35~+40ºC

Relative humidity: 20~85%

Noise: ≤84dB(A)

earing seat vibration value: vibration speed ≤4.0mm/s

High precision, easy operation and reliable operation;

Convenient software upgrade and simple remote operation;

Stable start and low mechanical impact;

With functions of overload protection, short circuit protection, etc.

Base voltage 25 ~ 75% which is adjustable.

The current limit range is adjustable from 1.0 to 4.5 times the rated current.

Starting time is adjustable from 0.5 to 240 seconds.

Output signal: switch contact, 30VDC or 220VAC 5A.

Applicable motor: 5.5KW ～ 500KW three-phase asynchronous motor.

Start mode: voltage ramp start, current limit start, jump start.

Stop mode: stop freely immediately, ramp stop time is adjustable from 1 to 480 seconds; input signal: switch contact.

Rated voltage: Three-phase 380V±20％

Rated frequency: 50HZ±5％

Maximum voltage output: 380V

Frequency Range: 0-400HZ

Rated working voltage: AC220、DC24

Sampling voltage: 1-5、0-5、1-10、0-10

Rated working current: 0-5

Sampling current: 0-20、4-20

Rated working frequency: 50

Rated voltage: 380、220

Total compensation capacity: 6~630

Control physical parameters: Reactive power

Dynamic response speed: ≤20

Control parameter sensitivity: 0.2

Rated insulation voltage: 660

Rated working voltage: 660

Maximum working current of main bus: 5500A(IP00) 、4700（IP30）

Main busbar short-time (1s) withstand current (validity period): 100

Main bus short-term peak current (maximum): 250

Maximum working current of distribution bus (vertical bus): 1000

Distribution bus (vertical bus) standard type: 90

Short-term peak current (maximum) enhanced: 130

Protection level: IP30、IP40、IP54

Rated voltage（V）: 380

Rated breaking current（kA）: 15/ 30/ 50

Rated short-time withstand current1s（kA）: 15/ 30/ 50

Rated voltage（kV）: 24

Rated frequency（Hz）: 50

Creepage distance（mm/kV）: 20