Overview
The SBA ETKU 168-0125 transformer is a single-phase universal isolation transformer designed for industrial control and general-purpose applications. This unit features 2000VA rated output at 50Hz (4600VA at 60Hz) with wide input voltage range (200–550V) and dual secondary 115V outlets. Built to UL insulation class B specifications with enhanced isolation and dielectric strength, the SBA 168-0125 is suitable for integration into UL 508A labeled industrial control panels and switchgear systems.
Key Features
- Universal control transformer per VDE 0570-2-2 and EN 61558-2-2 standards
- UL insulation class B construction with no power derating required versus VDE ratings
- Wide input voltage adaptation (200–550V) with primary tap adjustments
- Dual secondary outputs at 115V for redundancy and flexibility
- UL 506 and UL 508A compliant for North American industrial control applications
- Heavy-duty tropicalized vacuum impregnation in polyester resin for harsh environments
- Screw terminal connections with self-locking clamps per VBG 4
Technical Specifications
- Model: 168-0125 (ETKU Type)
- Rated Power (50Hz): 2000 VA
- Rated Power (60Hz): 4600 VA
- Primary Input Voltage Range: 200–550 V AC
- Primary Frequency: 50/60 Hz
- Secondary Voltage: 2 × 115 V AC
- Primary Current (50Hz @ 200V): 10 A
- Primary Current (50Hz @ 550V): 3.6 A
- Secondary Current (per outlet): Approx. 8.7 A (50Hz) / 20 A (60Hz)
- Insulation Class: UL Class B
- Cooling Method: Natural air (AN)
- Construction Type: Open frame (IP 00, supports installation up to IP 23 when panel-mounted)
- Housing Material: Vacuum-impregnated polyester resin, tropicalized
- Weight: 20.5 kg (45 lbs)
- Copper Weight: 4.5 kg
- Dimensions (approx.): 380 × 236 × 240 mm (H × W × D)
- Certifications & Standards: UL 506, UL 508A, VDE 0570-2-2, EN 61558-2-2, VDE 0113
Typical Applications
The SBA ETKU 168-0125 is commonly deployed in:
- Industrial control panels and switchgear assemblies (UL 508A rated)
- Servo and motion control system power conditioning
- Machinery and factory automation equipment control circuits
- General-purpose AC isolation for voltage stabilization and ground isolation
- European and North American industrial installations requiring UL and VDE dual compliance
- Emergency backup and redundant control power supplies
Compatibility & Replacements
Compatible With
- UL 508A industrial control panel construction standards
- VDE 0113 switchgear and distribution equipment
- VDE 0570-2-2 and EN 61558-2-2 compliant automation systems
- Single-phase 50/60 Hz industrial AC supply systems (200–550V range)
- Dual-voltage switchable control circuits requiring isolation
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The SBA 168-0125 is documented as a replacement for the earlier model 168-0014 in 2000/4600VA applications with matching 200–550V / 115–115V specifications. Other ETKU models in the SBA range (e.g., 166-0080, 165-0365) may serve similar applications but require voltage and VA rating verification.
Works With
- Standard North American 120/240V three-phase industrial power distribution
- European 230/400V three-phase industrial AC systems
- Isolation for analog control circuits, PLC inputs, and relay logic systems
- Servo drives, motion controllers, and programmable logic controllers requiring isolated AC reference
- Safety-rated control circuits under IEC 61508 / ISO 13849 frameworks
