OT400ESUR3TZ

Name: OT400ESUR3TZ
Brand: ABB
SKU: OT400ESUR3TZ

The ABB OT400ESUR3TZ is a front-operated non-fusible disconnect switch, perfect for motor disconnects and industrial control panels. It offers 3 poles, 400 A, 1000 VAC, and 350 hp, ensuring high reliability and safety. With its modular construction and excellent short circuit protection, this switch is ideal for various industrial applications.

Product ModelOT400ESUR3TZ

Material Number1SCA102323R1001

Product ID84576

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliability and SafetyThe ABB OT400ESUR3TZ is designed with a front-operated non-fusible mechanism, ensuring that fuses are totally isolated in the off position, reducing the risk of shock to authorized personnel.
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2. High PerformanceWith an amperage rating of 400 A and a horsepower rating of 350 hp, this switch is suitable for demanding industrial applications, including motor control centers and industrial control panels.
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3. Superior Short Circuit ProtectionEquipped with a short circuit current rating of 65 kA, the OT400ESUR3TZ provides excellent protection against short circuits, ensuring the safety of your equipment and personnel.
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4. Modular ConstructionThe modular design of the OT400ESUR3TZ allows for easy installation and maintenance. It can be used with either top or bottom incoming power feed, offering flexibility in your installation setup.

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

400 mm

Product Net Height

800 mm

Product Net Depth / Length

230 mm

Product Net Weight

32.75 kg

5. Enhanced Safety FeaturesThe switch features a dead front construction with terminal shrouds, reducing the risk of touching live parts. The handle and shaft provide door interlock, ensuring that the door cannot be opened when the switch is in the on position, and handles can be padlocked in the \"OFF\" position with up to three padlocks for added security.

Cable Entry Position

Cable Outlets Per Side

Blank / 4xring-flange+Ã¸25.5mm

Connecting Capacity Main Circuit

Hole Diameter 10 mm Screw Clamp / PE Terminal 4pc,25 ... 120 mmÂ²

Conventional Thermal Current (Ithe)

Fully Enclosed 400 A

Degree of Protection

acc. to IEC 60529 IP65

Enclosure Material

Stainless steel

Handle Color

Stainless Steel

Handle Type

Pistol handle

Impact Resistance Rating

Housing IK09

Maximum Mounted Auxiliary Contacts

2 NO, 2 NC

Mounted Auxiliary Contacts

2 NO, 1 NC

Number of Auxiliary Contacts NC

Number of Auxiliary Contacts NO

Number of Poles

Pollution Degree

Power Loss

at Rated Operating Conditions per Pole 10 W

Rated Conditional Short-Circuit Current (Inc)

61.5 kA

Rated Impulse Withstand Voltage (Uimp)

12 kV

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 1000 V

Rated Operational Current AC-22A (Ie)

(380 ... 415 V) 400 A (500 V) 400 A (690 V) 400 A

Rated Operational Current AC-23A (Ie)

(380 ... 415 V) 400 A (500 V) 400 A (690 V) 400 A

Rated Operational Power AC-23A (Pe)

(380 ... 415 V) 220 kW (500 V) 280 kW (690 V) 355 kW

Rated Operational Voltage

Main Circuit 1000 V

Rated Short-Circuit Making Capacity (Icm)

(1000 V AC) 65 kA

Rated Short-time Withstand Current Low Voltage (Icw)

for 1 s 15 kA

Recommended Screw Driver

Main Circuit M10

Special Functions

EMC

Standards

IEC 60947-1, -3

Tightening Torque

Main Circuit 44 NÂ·m

Recommended Screw Driver

Main Circuit M10

Tightening Torque

Main Circuit 44 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)

3642118

E-Number (Sweden)

3135040

Manufacturer ID

1SCA102323R1001