ABB ASTAT 3ASC25H283 DASD 103 Overvoltage Protection Module

SKU 3ASC25H283 DASD 103

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12-month warranty
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Manufacturer: ABB
Product No.: 3ASC25H283 DASD 103
Country of origin:United States
Product Type: Overvoltage Protection Modules
Payment: T/T, Western Union
Weight: 21000g
Dimensions: 473 mm x 422 mm x 315 mm (H x W x D)
Shipping port: Xiamen
Warranty: 12 months

Description

The ABB 3ASC25H283 DASD 103 is an industrial thyristor power module designed for high-performance crane motion control systems, serving as part of the ABB ASTAT drive system. The device provides electronic stator voltage and phase control to regulate motor speed and torque for heavy machinery applications. It handles power distribution from the main bus bar to the motor while interfacing with a control system module to execute precise speed-torque characteristics without requiring mechanical contactors for directional reversal.

Features

Integrated Thyristor Power Bridge: Designed for solid-state speed and torque regulation of slip-ring induction motors.
Contactorless Reversal: Enables forward and reverse torque direction switching electronically in under 20 ms.
Fiber Optic Interface: Links to the control system via optocoupled fiber cables for high noise immunity.
Thermal and Protective Coated Electronics: Built to withstand high-temperature industrial environments and conductive dust ingress.
System Integration: Functions within the modular ASTAT framework alongside control system modules, feedback units, and overvoltage protection devices.

Applications

Heavy-duty crane motion control systems (hoist, travel, and trolley drives)
Industrial material handling equipment
Steel mill machinery and heavy-duty slip-ring motor control drives

Technical Specifications

Parameter	Specification
Manufacturer	ABB
Product ID / Ordering Code	3ASC25H283
Model Designation	DASD 103 (DASD103)
Rated Voltage	600 V AC
Rated Current	100 A
IP Protection Rating	IP 20
No-Load Power Loss (P0)	30 W
Voltage Drop (△y)	0.95 V
Reference Temperature	55 degC
Current Derating Factor	1.2% per degC (above reference temperature)
Maximum Operating Temperature	+85 degC (with reduced rating above reference)

Installation Guidelines

Mounting and Placement: Install inside a suitable IP20 enclosure or electrical cabinet following recommended clearance and layout rules for proper heat dissipation.
Cooling: Maintain clear airflow paths over the thyristor module structure to prevent thermal tripping during continuous duty cycles.
Wiring and Cabling: Route power cables and control signals through separate wire channels to minimize EMI interference.
Overvoltage Protection: Must be paired with a compatible DASG overvoltage protection module to guard against voltage spikes and verify phase sequence.

FAQ

What is the continuous operating temperature limit for the module?

The module has a reference temperature rating of 55 degC and can operate up to a maximum temperature of +85 degC with a derating of 1.2% per degC above the reference temperature.

What voltage and current levels is the device designed for?

The device is rated for operation up to 600 V AC with a rated motor current capacity of 100 A.

How fast can the module switch torque directions?

The electronic phase control allows the device to change motor torque direction in less than 20 ms without using mechanical contactors.

View all FAQs →

Product Documentation

Technical Datasheet (PDF) Complete specifications and technical drawings.

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Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our technical warranty.

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Global Express Shipping

Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).

For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

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