Appendix A Technical Specifications

Appendix A - Technical Specifications of the SAMMS-LV Device

Motor Control Specifications

 

 

 

 

 

 

Inputs

SAMMS-LVX:

SAMMS-LVE:

 

Six pushbuttons

Six pushbuttons

 

Four remote inputs

Two remote inputs

Outputs

SAMMS-LVX:

SAMMS-LVE:

 

Three coil drivers

One coil driver

 

Three light bars

Two light bars

 

One programmable alarm contact

 

Diagnostic LEDs

*

Current unbalance

 

 

*

Impending trip

 

 

*

Overload trip

 

 

*

External trip

 

 

*

Incomplete sequence

 

 

*

Ground fault

 

 

*

CPU fault

 

 

*

Ready

 

 

*

Light bar flashes (timer timing)

 

 

*

Impending trip LED flashes (motor temperature warning)

 

*

Overload trip LED flashes (start inhibit)

 

 

*

CPU LED ON (momentary loss of voltage)

Current Ranges:

Overload Relay Size:

 

0.3 - 1.5A

1A

 

1.2 - 6A

1B

 

4.8 - 24A

1C

 

10 - 36A

2A

 

10 - 45A

2B

 

20 - 90A

3

 

 

40 - 135A

4

 

 

80 - 270A

5

 

 

160 - 540A

6

 

 

 

 

 

 

Permissible CT Ratios

 

 

 

 

 

5A secondary CT ratios (functions

Overload Relay Size

Permissible CT Ratios

F4A & F5A)

1A

N/A

 

1B

N/A

 

1C

30:5, 40:5

 

2A

30:5, 40:5, 50:5

 

2B

30:5, 40:5, 50:5

 

3

30:5, 40:5, 50:5, 75:5, 100:5, 150:5

 

4

50:5, 75:5, 100:5, 150:5

 

5

100:5, 150:5, 200:5, 250:5, 300:5, 400:5

 

6

200:5, 250:5, 300:5, 400:5, 500:5, 600:5

 

 

 

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Siemens MCC-3298 user manual Appendix a Technical Specifications