Relé Térmico 70-90A S3 - 3RU2146-4LB0 - Siemens

Características del producto

product designation

thermal overload relay

product type designation

3RU2

size of overload relay

S3

size of contactor can be combined company-specific

S3

power loss [W] for rated value of the current at AC in hot operating state

21 W

● per pole

7 W

type of calculation of power loss current-dependent

quadratic

insulation voltage with degree of pollution 3 at AC rated value

1 000 V

surge voltage resistance rated value

8 kV

● in networks with ungrounded star point between auxiliary and auxiliary circuit

440 V

● in networks with grounded star point between auxiliary and auxiliary circuit

440 V

● in networks with ungrounded star point between main and auxiliary circuit

440 V

● in networks with grounded star point between main and auxiliary circuit

440 V

shock resistance according to IEC 60068-2-27

8g / 11 ms

● with automatic reset typical

10 min

● with remote-reset

10 min

● with manual reset

10 min

reference code according to IEC 81346-2

F

Substance Prohibitance (day/month/year)

03/01/2017

Net Weight

0.554 kg

installation altitude at height above sea level maximum

2 000 m

● during operation

-40 ... +70 °C

● during storage

-55 ... +80 °C

● during transport

-55 ... +80 °C

temperature compensation

-40 ... +60 °C

relative humidity during operation

10 ... 95 %

number of poles for main current circuit

3

adjustable current response value current of the current-dependent overload release

70 ... 90 A

● rated value

1 000 V

● at AC-3e rated value maximum

1 000 V

operating frequency rated value

50 ... 60 Hz

operational current rated value

90 A

operational current at AC-3e at 400 V rated value

90 A

— at 400 V rated value

45 kW

— at 500 V rated value

55 kW

— at 690 V rated value

75 kW

design of the auxiliary switch

integrated

number of NC contacts for auxiliary contacts

1

● note

for contactor disconnection

number of NO contacts for auxiliary contacts

1

number of CO contacts for auxiliary contacts

0

● at 24 V

3 A

● at 110 V

3 A

● at 120 V

3 A

● at 125 V

3 A

● at 230 V

2 A

● at 400 V

1 A

● at 690 V

0.75 A

● at 60 V

0.3 A

● at 220 V

0.11 A

design of the miniature circuit breaker for short-circuit protection of the auxiliary switch required

6A (SCC less than equal to 0.5 kA; U less than equal to 260V)

contact rating of auxiliary contacts according to UL

B600 / R300

trip class

CLASS 10

design of the overload release

thermal

● at 480 V rated value

77 A

● at 600 V rated value

77 A

— with type of coordination 1 required

690 V: gG: 250 A; 1000 V: a.M. / g.B.: 160 A

— with type of coordination 2 required

690 V: gG: 160 A; 1000 V: a.M. / g.B.: 160 A

● for short-circuit protection of the auxiliary switch required

fuse gG: 6 A, quick: 10 A

mounting position

for mounting on contactors: with a vertical mounting plane +/-135° rotatable & +/- 22.5° tiltable, stand-alone installation: with a vertical mounting plane +/-135° rotatable and +/-45° tiltable; for more details see manual