OT1250ETRR3TZ

Name: OT1250ETRR3TZ
Brand: ABB
SKU: OT1250ETRR3TZ

The ABB OT1250ETRR3TZ EMC safety switch is designed for reliable protection in industrial settings. With IEC and UL approvals, it ensures safe and dependable performance. Suitable for side- and front-operated applications, this switch is ideal for various industrial needs.

Product ModelOT1250ETRR3TZ

Material Number1SCA103280R1001

Product ID70668

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe OT1250ETRR3TZ EMC safety switch provides reliable protection with IEC and UL approvals, ensuring safe and dependable performance in industrial settings.
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2. Versatile OperationDesigned for both side- and front-operated applications, this switch offers flexibility in various industrial operations.
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3. High Current RatingWith a rated permanent current of 1250 A, this switch can handle high current requirements, making it suitable for demanding industrial applications.
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4. Durable ConstructionConstructed in a complete device housing, the OT1250ETRR3TZ is built to last, providing long-term reliability and performance.
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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

62.67 kg

5. Easy InstallationThe switch features a bolt connection for the main circuit, making installation straightforward and efficient. Its IP65 degree of protection ensures it can withstand harsh environments.

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

Black

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)

E-Number (Finland)

3642105

Manufacturer ID

1SCA103280R1001