Moulded Case Circuit Breaker h3 x630 TM ADJ 4P4D N0-100% 320A 50kA FTC HMJ321DR

Phase out product: please contact your electrical wholesaler for availability

Accessories
Technical characteristics
Environmental value
Documentations

Complete your system

Under voltage coil 2 products available
Auxiliaries contact block 2 products available
Shunt release 1 products available
Handle for power circuit breaker 2 products available
Motor operator 1 products available
Phase separation functions 1 products available

Technical characteristics

Rated current IN

320 A
Rated ultimate short-circuit breaking capacity Icu under 400 V AC IEC 60947-2

50 kA
Rated ultimate short-circuit breaking capacity Icu under 240 V AC IEC 60947-2

85 kA
Rated service breaking capacity Ics under 230 V AC according to IEC 60947-2

85 kA
Rated service breaking capacity Ics under 400 V AC according to IEC 60947-2

50 kA
Rated current 10°C according to IEC 60947

380,70 A
Rated current 15°C according to IEC 60947

373,60 A
Rated current 20°C according to IEC 60947

366,50 A
Rated current 25°C according to IEC 60947

359,10 A
Rated current 30°C according to IEC 60947

351,70 A
Rated current at 35°C according to IEC 60947

344 A
Rated current at 40°C according to IEC 60947

336,20 A
Rated current 45°C according to IEC 60947

328,20 A
Rated current 50°C according to IEC 60947

320 A
Rated current 55°C according to IEC 60947

311,60 A
Rated current at 60°C according to IEC 60947

302,90 A
Rated current 65°C according to IEC 60947

294 A
Rated current 70°C according to IEC 60947

284,80 A

Number of poles

4
Control/operation element

Toggle
Device construction type

Fixed built-in
Neutral position

Left

Response time when opening

10 ms

Frequency

50 - 60 Hz

Rated impulse withstand voltage Uimp

8000 V
Rated insulation voltage Ui

800 V
Rated operational voltage Ue

220 - 415 V

Trip unit

TM A/A

Power dissipation at IN

75 W

Ingress Protection (IP) class

IP4X

Thermal protection knob setting xIN

0.63, 0.8, 1

Cable material

Copper

Compatible with RDC AOB

Yes
Suitable for DIN Rail

No
Suitable for distribution board

Yes

Height

260 mm
Width

185 mm
Depth

150 mm
Downstream busbar: width, height, diameter screw (max.)

10 mm, 12 mm, 32 mm
Top stream busbar: width, height, diameter screw (max.)

10 mm, 12 mm, 32 mm

Mounting-/Connection Position

Front
Nominal tightening torque

18 - 18 Nm
Nominal tightening torque down terminal

18 - 18 Nm
Nominal tightening torque top terminal

18 - 18 Nm

Environmental value

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RoHS conform Yes

REACh-SVHC free Yes