Siemens SIRIUS 3RB3 Electronic Overload Relay 6...25 A, Size S0, Class 10E, Main Screw, Aux Screw

Siemens 3RB3026-1QB0 Electronic Overload Relay 6-25A.

Manufacturer part number (MPN)

3RB3026-1QB0

EAN / GTIN

4011209749146

Sales unit

pcs

Product brand

SIRIUS

Product designation

solid-state overload relay

Product type designation

3RB3

Size of overload relay

S0

Trip class

CLASS 10E

Adjustable current setting range

6 ... 25 A

Thermal current

25 A

Rated operational current

25 A

Rated operational current at AC-3e, 400 V

25 A

Number of poles for main circuit

3

Rated operating voltage

690 V

Rated operating frequency

50 ... 60 Hz

Operating power, 3-phase motors 400 V 50 Hz

3 ... 11 kW

Operating power, AC motors 500 V 50 Hz

4 ... 15 kW

Operating power, AC motors 690 V 50 Hz

5.5 ... 22 kW

Power loss at rated current AC, hot state

1.2 W; 0.4 W per pole

Rated insulation voltage (pollution degree 3)

690 V

Rated surge voltage resistance

6 kV

Shock resistance (IEC 60068-2-27)

15 g / 11 ms

Vibration resistance

1…6 Hz 15 mm; 6…500 Hz 20 m/s²

Recovery time after trip, automatic reset typ.

3 min

Design of overload release

electronic

Auxiliary switch

integrated; 1 NO + 1 NC

Aux operational current AC-15 at 230 V

3 A; 24-125 V: 4 A

Aux operational current DC-13 at 24 V

2 A

UL full-load current (FLA) at 480 V

25 A

UL full-load current (FLA) at 600 V

25 A

UL contact rating of auxiliary contacts

B600 / R300

Short-circuit protection coordination type 1

gG 125 A, RK5 100 A

Short-circuit protection coordination type 2

gG 63 A, J 100 A

Ambient temperature during operation

-25 ... +60 °C

Ambient temperature storage/transport

-40 ... +80 °C

Installation altitude, max.

2 000 m

Relative humidity during operation

10 ... 95 %

Mounting position

any; contactor mounting

Dimensions height × width × depth

87 × 45 × 84 mm

Net weight

0.254 kg

Electrical connection main circuit

screw-type terminals

Main conductor cross-section, solid

2x(1…2.5), 2x(2.5…10) mm²

Tightening torque main contacts

2 ... 2.5 N·m

Tightening torque auxiliary contacts

0.8 ... 1.2 N·m

Screwdriver tip

Pozidriv PZ 2

Degree of protection

IP20; finger-safe front

Electrostatic discharge (IEC 61000-4-2)

6 kV contact / 8 kV air

Display 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

Germany

HS Code

8536.49

• EAN 4011209749146
• SAP 1000097450
• Code 8939224