Technical Specifications

Technical Specifications

 

Table 5. Electronic Bypass Specifications.

Specifications

 

 

Description

 

 

208V, 3 ac±10%

Input Voltage (3 phase)

 

240V, 3 ac ±10%

 

480V, 3 ac ±10%

 

 

 

 

575V, 3 ac ±10%

Digital Inputs

 

Six Digital Inputs as follows:

 

 

Remote start input

 

 

Remote safety 1

 

 

Remote safety 2

 

 

Interlock start

 

 

Essential services

 

 

Overload trigger

 

 

Inputs require a contact closure capable of providing a low

 

 

impedance path at currents less than 20 mA.

Relay/Digital Outputs

 

Six Relay/Digital Outputs as follows:

 

 

VFD fault

 

 

Programmable output

 

 

Drive select

 

 

Bypass select

 

 

Running on bypass

 

 

Overload fault

 

 

Each relay has a maximum rating of 2A at 120V ac.

Temperature

 

Operating: 14°F to 104°F (-10°C to 40°C)

 

Storage: –40°F to 158°F (–40°C to 70°C)

 

 

Humidity

 

0 to 95% rh, noncondensing

 

Table 6.

SED2 Specifications.

 

 

 

 

Drive Specifications

 

 

Description

Input voltage, 3 phase

200V to 240V, 3 ac ± 10%. 1/2 hp to 60 hp, (2.3 Amps to 154 Amps)

 

 

 

380V to 480V, 3 ac ± 10% 1/2 hp to 125 hp, (1.2 Amps to 178 Amps)

power, and amps

 

500V to 600V, 3 ac ± 10% 1 hp to 125 hp, (2.3 Amps to 125 Amps)

Input frequency

47 Hz to 63 Hz

 

Output frequency

0 Hz to 150 Hz

 

Power factor

≥0.9

 

 

 

 

VFD degree of efficiency

96% to 97%

 

Switch-on current

Less than nominal input current

Siemens Building Technologies, Inc.

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Siemens 125-3208 Technical Specifications, Drive Specifications Description, Electronic Bypass Specifications