Siemens Medallion 1200 Instruction Manual download pdf (Page 11)

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Installation

Typical Motor Control Settings

Alarm

Trip

(Shutdown)

Timer Trip

Setting

(1)

Winding Temperature

• Class B Insulation

• Class F Insulation

130°C

155°C

170°C

Motor Bearing Temperature

(Thermocouple or RTD’s)

•

Sleeve Bearing

100°C

105°C

•

Antifriction Bearing

100°C

105°C

Ground Fault

4 Amps

(2)

Primary

Circuit

8 Amps

(2)

Primary

Circuit

0.2 sec.

(2)

Instantaneous Overcurrent

• With ½ Cycle Delay

1.8 times Locked Rotor Amps

(2)

• Without Time Delay

2.4 times Locked Rotor Amps

(2)

Maximum Voltage

110 % of Rated Voltage

10 sec.

Minimum Voltage

(the minimum voltage

also applies to starting unless otherwise

specified)

90 % of Rated Voltage 10 sec.

Maximum Frequency Deviation ±5% 10 sec.

Maximum of Voltage Plus Frequency Deviation ±10% 10 sec.

Maximum Voltage Unbalance

(3)

1% 15 sec.

Maximum Current Unbalance

(3)

8% 15 sec.

Suggested Vibration Limits

RPM

3600

1800

1200

900 and

Slower

Shaft (mils, pk-to-pk)

3.3

3.7

4.3

5.0

Housing (in./sec.)

0.25

(1)

Maximum time at maximum condition before control device is to operate.

(2)

Increase as necessary to avoid nuisance trips.

(3)

This is the maximum deviation from the average of the three phases.

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Siemens Medallion 1200 Instruction Manual Page 11

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