OT1250ETRR3AZ

Name: OT1250ETRR3AZ
Brand: ABB
SKU: OT1250ETRR3AZ

"ABB OT1250ETRR3AZ: A high-power EMC safety switch for 3-phase 415V AC applications. Features 1250A current capacity, 710kW power rating, and IP65-rated steel sheet enclosure for reliable and efficient operations."

Product ModelOT1250ETRR3AZ

Material Number1SCA103282R1001

Product ID70594

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Power Rating\"The ABB OT1250ETRR3AZ offers a robust 710kW power rating, making it ideal for demanding industrial applications.\"
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2. Enhanced Safety Features\"Equipped with an interlocked cover and IP65-rated steel sheet enclosure, this safety switch ensures maximum safety and durability.\"
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3. High Current Capacity\"With a current capacity of 1250A, the OT1250ETRR3AZ can handle high-power loads with ease, making it perfect for heavy-duty operations.\"
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4. EMC Compliance\"Designed to meet stringent EMC standards, this switch ensures reliable performance in electromagnetic interference-prone environments.\"
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Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Degree of Protection

acc. to IEC 60529 IP65

Pollution Degree

Product Net Width

800 mm

Product Net Height

1200 mm

Product Net Depth / Length

330 mm

Product Net Weight

61 kg

5. Reliable Operations\"The ABB OT1250ETRR3AZ is engineered for consistent and reliable operations, minimizing downtime and ensuring smooth workflow in industrial settings.\"

Cable Entry Position

Cable Outlets Per Side

8xring-flange / 8xring-flange, Knock-outs: 3x10mm, 12.5mm, 20.5mm, 25.5mm, 32.5mm

Connecting Capacity Main Circuit

Hole Diameter 12 mm Screw Clamp / PE Terminal 10pc,25 ... 120 mmÂ²

Conventional Thermal Current (Ithe)

Fully Enclosed 1250 A

Degree of Protection

acc. to IEC 60529 IP65

Enclosure Material

Steel sheet

Handle Color

Red / Yellow

Handle Type

Pistol handle

Impact Resistance Rating

Housing IK09

Maximum Mounted Auxiliary Contacts

2 NO, 2 NC

Mounted Auxiliary Contacts

2 NO, 1 NC

Neutral Type

No neutral terminal

Number of Auxiliary Contacts NC

Number of Auxiliary Contacts NO

Number of Poles

Pollution Degree

Power Loss

at Rated Operating Conditions per Pole 29 W

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 1000 V

Rated Operational Current AC-22A (Ie)

(380 ... 415 V) 1250 A (500 V) 1250 A (690 V) 1250 A

Rated Operational Current AC-23A (Ie)

(380 ... 415 V) 1250 A (500 V) 1250 A (690 V) 1250 A

Rated Operational Power AC-23A (Pe)

(380 ... 415 V) 710 kW (500 V) 900 kW (690 V) 1200 kW

Rated Operational Voltage

Main Circuit 1000 V

Rated Short-Circuit Making Capacity (Icm)

(690 V AC) 110 kA

Rated Short-time Withstand Current Low Voltage (Icw)

for 1 s 50 kA

Recommended Screw Driver

Main Circuit M12

Special Functions

EMC

Standards

IEC 60947-1, -3

Tightening Torque

Main Circuit 75 NÂ·m

Recommended Screw Driver

Main Circuit M12

Tightening Torque

Main Circuit 75 NÂ·m

Object Classification Code

ETIM 8

EC000216 - Switch disconnector

ETIM 9

EC000216 - Switch disconnector (low voltage)

UNSPSC

39122205

IDEA Granular Category Code (IGCC)

5166 >> Safety switch

eClass

V11.1 : 27371403

WEEE Category

4. Large Equipment (Any External Dimension More Than 50 cm)

Manufacturer ID

1SCA103282R1001