Siemens SIRIUS 3RB3 Electronic Overload Relay 3...12 A, Size S0, Class 10E, Main Screw, Aux Screw

Siemens 3RB3026-1SB0 Electronic Overload Relay 3-12A.

Manufacturer part number (MPN)

3RB3026-1SB0

EAN / GTIN

4011209749139

Sales unit

pcs

Product brand name

SIRIUS

Product designation

solid-state overload relay

Product type designation

3RB3

Size of overload relay

S0

Size of contactor can be combined company-specific

S0

Power loss for rated value of the current at AC in hot operating state

0.6 W

Insulation voltage with degree of pollution 3 at AC rated value

690 V

Surge voltage resistance rated value

6 kV

Shock resistance

15 g / 11 ms

Vibration resistance

1 … 6 Hz, 15 mm; 6 … 500 Hz, 20 m/s²; 10 cycles

Thermal current

12 A

Recovery time after overload trip with automatic reset typical

3 min

Reference code according to IEC 81346-2

F

General technical data — net weight

0.239 kg

Installation altitude at height above sea level maximum

2 000 m

Ambient temperature during operation

-25 ... +60 °C

Temperature compensation

-25 ... +60 °C

Relative humidity during operation

10 ... 95 %

Number of poles for main current circuit

3

Adjustable current response value of the current-dependent overload release

3 ... 12 A

Operating voltage rated value

690 V

Operating frequency rated value

50 ... 60 Hz

Operational current rated value

12 A

Operating power for 3-phase motors at 400 V at 50 Hz

1.5 ... 5.5 kW

Operating power for AC motors at 690 V at 50 Hz

2.2 ... 7.5 kW

Design of the auxiliary switch

integrated

Number of NC contacts for auxiliary contacts

1

Number of NO contacts for auxiliary contacts

1

Operational current of auxiliary contacts at AC-15 at 230 V

3 A

Trip class

CLASS 10E

Design of the overload release

electronic

Full-load current (FLA) for 3-phase AC motor at 480 V rated value

12 A

Contact rating of auxiliary contacts according to UL

B600 / R300

Mounting position

any

Fastening method

Contactor mounting

Installation/ mounting/ dimensions — height

87 mm

Installation/ mounting/ dimensions — width

45 mm

Installation/ mounting/ dimensions — depth

84 mm

Type of electrical connection for main current circuit

screw-type terminals

Type of connectable conductor cross-sections for main contacts solid

2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²)

Tightening torque for main contacts with screw-type terminals

2 ... 2.5 N·m

Protection class IP on the front according to IEC 60529

IP20

Touch protection on the front according to IEC 60529

finger-safe, for vertical contact from the front

Display version for switching status

Slide switch

Mounting method

Direct attachment

Width

45 mm

Height

87 mm

Depth

84 mm

Number of auxiliary contacts as normally open contact

1

Number of auxiliary contacts as normally closed contact

1

Release class

CLASS 10

Type of electrical connection of main circuit

Screw connection

Reset function input

No

Reset function automatic

Yes

Country of origin

Czechia

HS Code

8536.49

• EAN 4011209749139
• SAP 1000097452
• Code 8962809