⚡ Standard Distribution Transformer

Econo Solar

SCB Dry-Type Transformer

Name: SCB Series Dry-Type Transformer
Brand: Econo Solar
Availability: InStock

Epoxy Resin Vacuum-Cast, 6kV/10kV Distribution Class

Three-phase epoxy resin vacuum-cast dry-type transformer for PV plant step-up and general distribution applications. Manufactured using an automated vacuum pouring process with foil-wound high- and low-voltage windings for strong short-circuit withstand and low maintenance.

Epoxy Resin

Insulation

6 / 10 kV

Voltage Class

Foil Wound

HV / LV Winding

Request a Quote → Request Datasheet

Key Features

Why Engineers Specify the SCB Series

Manufacturer-stated advantages carried over from the epoxy-cast dry-type transformer platform.

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Epoxy Resin Vacuum Pouring

Automatic vacuum pouring equipment follows a specific curing temperature curve; vertical pouring technology helps gas escape during casting and the equipment controls resin ratio and vacuum in real time.

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Strong Short-Circuit Withstand

Compared to impregnated-type windings, vacuum-cast construction gives stronger mechanical strength and short-circuit resistance, with a double-layer HV coil design that distributes impulse voltage evenly across the winding.

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Foil-Wound HV & LV Coils

Foil winding construction reduces additional losses, achieves more uniform temperature distribution within the coil and improves short-circuit withstand versus wire-wound alternatives.

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Low Noise, Low Maintenance

Seven-level stepped-joint core lamination and two-component high-temperature insulation varnish reduce losses, noise and vibration; the design is maintenance-free with a long service life.

Specifications

Complete Technical Datasheet

Confirmed parameters are sourced from the manufacturer's SCB series documentation. Exact per-rating loss, current and impedance figures are confirmed per order — the source technical tables for these specific values contained OCR/formatting errors we could not reliably verify, so they are marked below rather than estimated.

Type Designation	SC(Z)(B)□□-□□/□□-□□ (three-phase · epoxy potting · optional on-load tap changing · foil winding · performance level code · capacity kVA · HV kV · LV kV)
Series	SCB12 · SCB13 · SCB14 · SCB18 (performance level code varies by series)
Insulation Process	Epoxy resin vacuum pouring
Winding Type	Foil winding, HV and LV
Core Material	Cold-rolled grain-oriented silicon steel (Hi-B grain-oriented available on request)
Rated High Voltage	6 / 6.3 / 6.6 / 10 / 10.5 / 11 kV
Rated Low Voltage	0.4 kV
Tapping Range	±5% or ±2×2.5% of HV (series-dependent)
Vector Group	Dyn11 · Yd11 · Yyn0 (series-dependent)
Rated Capacity Range	[DATA REQUIRED] — confirm exact kVA options for your required series/voltage at RFQ
No-Load Loss	[DATA REQUIRED]
Load Loss	[DATA REQUIRED]
No-Load Current	[DATA REQUIRED]
Short-Circuit Impedance	[DATA REQUIRED]
Insulation Class	[DATA REQUIRED]
Overload Monitoring	Embedded LV winding temperature sensors; automatic fan activation and alarm on rated response temperature
Noise Reduction Option	Hi-B core reduces noise by approx. 5–7 dB(A) vs. standard core
Protection Rating	[DATA REQUIRED]
Standards Compliance	GB/T 1094.1-2013 · GB/T 1094.3-2017 · GB/T 1094.5-2008 · GB/T 1094.10-2003 · GB/T 1094.11-2022 · GB/T 10228-2015
Warranty	[DATA REQUIRED]

Applications

Where the SCB Series Fits Best

General-purpose step-up and distribution applications for solar and mixed-use sites.

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PV Plant Step-Up

Standard step-up transformer between inverter/combiner output and the site's medium-voltage collection network on ground-mount and C&I PV plants.

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Industrial & Commercial Distribution

Civil, industrial and infrastructure distribution scenarios including commercial centers, residential distribution networks and industrial/mining facilities, per the manufacturer's general product listing.

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Oil-Immersed Transformer Replacement

Positioned by the manufacturer as a maintenance-free, environmentally friendly replacement for oil-immersed distribution transformers.

FAQ

What Engineers Ask About the SCB Series

Answers sourced from the manufacturer's SCB documentation.

What insulation process does the SCB series use?

The SCB series is manufactured using an epoxy resin vacuum pouring process with vertical casting, which helps gas escape during curing and lets the manufacturer precisely control resin ratio and vacuum level in real time, reducing voids and quality risk compared with impregnated-type windings.

What voltage levels does the SCB transformer support?

The SCB series is built at the 6kV and 10kV three-phase distribution class with standard low-voltage output of 0.4kV, matching common PV plant step-up and general distribution requirements.

What does the SCB model code mean?

The code follows SC(Z)(B)□□-□□/□□-□□, reading left to right as: three-phase, solid-state epoxy-potting construction, optional on-load tap changing, foil winding, performance level code, rated capacity (kVA), rated high voltage (kV) and rated low voltage (kV).

What are the exact loss and impedance values for a given SCB kVA rating?

Loss, no-load current and impedance figures vary by exact kVA/voltage combination and performance level (SCB12/13/14/18) and are confirmed per order from the manufacturer's current technical parameter tables rather than published generically — please request the datasheet for your specific capacity and voltage combination.

How is overload handled on an SCB dry-type transformer?

Temperature sensors embedded in the low-voltage winding monitor operating temperature in real time. When the rated response temperature is reached, forced-air cooling fans activate automatically; if temperature continues to rise past the rated response point, an automatic alarm is triggered.

Can the SCB transformer be customized for lower noise?

Yes. The standard core uses cold-rolled grain-oriented silicon steel; for noise-sensitive sites the core can be specified in high-permeability grain-oriented (Hi-B) silicon steel, which the manufacturer states reduces noise by approximately 5–7 dB(A) versus the standard core.