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LNDAM1

Specifications

Thermal Adjustable Magnetic

adjustable Circuit

Breakers (TAMA)
Model DAM1-250 DAM1-630(400) DAM3-1000 DAM3-1600

Breaking Capacity

Code

 N S H G N S H G N S H S H G

Rated Current of

Frame size-

Inm      (A)

 250A 400A 800A 1600A

Rated Current-In

(40,50 or

55℃)   (A)

125 - 160(180) - 

200(225) - 250 -

320A

250 - 315 (350)- 400

- 500  - 630A

400 - 500 - 630

(700)- 800-1000A

1000 - 1250 -

1600A

Rated İnsulation

Voltage -Ui(a.c.)

50-60Hz      (V)

 1000V 1000V 1000V 1000V

Rated operation

Voltage  -Ue(a.c.)

50-60Hz       (V)

 400/415V 400/415V 400/415V 400V
Number of Pole 3P  3P /4P 3P  3P

Rated ultimate

short Circuit

breaking

Capacity  kA 

Icu AC400V

/50Hz O-

CO    (KA)

 35 50 65 85 35 50 70 85 36 55 70 55 70 85

Rated service

short Circuit

breaking

Capacity 

kA  Ics AC400V

/50Hz O-

CO-CO    (KA)

 26.25 37.5 48.75 51 26.25 37.5 52.5 52.5 36 36 50 36 50 55

Rated short-

circuit breaking

capacity Icm

(peak)/cos ф AC400V/50HZ

O-CO     (KA)

77/

0.25

114/

0.25

143/

0.2

178/

0.2

70/

0.25

110/

0.25

154/

0.2

187/

0.2

77/

0.25

100/

0.25

154/

0.2

105/

0.25

143/

0.2

220/

0.2

Rated impulse

withstand

Voltage -

Uimp    (V)

 8000 8000 8000 8000

Dielectric

Propery (V)

 3000 3000 3000 3000

lonization

distance    (mm)

 ≤30/0※ ≤60/0※ ≤80/0※ ≤80/0※
Endurance

Total

Cycles

 8000 5000 5000 3000

Electrical

Life

 1000 1000 1000 500

Mechanical 

Life

 7000 4000 4000 2500
Over Current trip Thermal release adjustable 

Min:0,7In

-Max:1In

Min:0,7In

-Max:1In

Min:0,7In

-Max:1In

Min:0,7In

-Max:1In
Magnetic release adjustable  5In-10In 5In-10In 5In-10In 5In-10In

Category

(EN 60947-

2/IEC 60947-2)

Main

circuit

 A/B A/B A/B A/B

Auxiliary

circuit

 AC-15 AC-15 AC-15 AC-15

Under Voltage

Release 

 √ √ √ √
Shunt Release √ √ √ √
Auxiliary Contact √ √ √ √
Alarm Contact √ √ √ √

Auxiliary Contact

and Alarm Contact

 √ √ √ √
Handle Operation Mechanism √ √ √ √
Electrical Operastion Mechanism  √ √ √ √
DIN clips - - - -
Terminal cover     √ √ √ √
Phase seperator     √ √ √ √
Extention Handle     √ √ √ √

W

(mm)

 3P 105 140 210 210
4P - 184 - -

L

(mm)

 3P 212.5 254 268 328
4P - 254 - -

H

(mm)

 3P 103.5 103.5 167 196
4P - 103.5 - -
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