# CHINT SCB18 1250 kVA 35/0.4 kV Cast Resin Dry-Type Transformer

> CHINT SCB18 1250 kVA 35/0.4 kV Cast Resin Dry-Type Transformer belongs to the Cast-Resin Dry-Type Transformers category and is rated at 1250 kVA with 35/0.4 kV primary/secondary voltage. Application: Safe Indoor Low-Voltage Distribution. Final ratings must be verified against the manufacturer datasheet.

> SKU: VF-CHINT-SCB18-1250-35 | Brand: CHINT Electric (CHINT Global) | Category: Power & Energy Equipment / Transformers / Distribution Transformers / Cast-Resin Dry-Type Transformers

**Voltformer canonical:** https://voltformer.com/product/chint-scb18-1250-kva-35-0-4-kv-cast-resin-dry-type-transformer - markdown version: https://voltformer.com/product/chint-scb18-1250-kva-35-0-4-kv-cast-resin-dry-type-transformer.md

## Overview

CHINT SCB18 1250 kVA 35/0.4 kV Cast Resin Dry-Type Transformer is intended for Safe Indoor Low-Voltage Distribution. Configured electrical data: 1250 kVA, 35/0.4 kV primary/secondary voltage, 50 Hz, 3-phase, vector group Dyn11 and short-circuit impedance 6%. Construction: Copper (Cu-Cu); cooling: AN/AF; loss class: Ecodesign Tier 2. These values support preliminary engineering selection; verify insulation levels, thermal limits, short-circuit duty, installation conditions and applicable standards against the manufacturer datasheet and the site study.

- **Application:** Safe Indoor Low-Voltage Distribution
- **Target industries:** Hospitals & Medical Centers, Shopping Malls & Residential Complexes, Airports & Metro Transit Systems
- **Brand:** [CHINT Electric (CHINT Global)](https://voltformer.com/brand/chint-electric.md) - Energy giant operating in 140+ countries for SZ11 110 kV on-load tap-changing power transformers, SCB18 dry-type distribution transformers, monolithic concrete kiosk substations and PV/wind packaged s
- **Category:** [Power & Energy Equipment](https://voltformer.com/catalog.md) / **Transformers** / [Distribution Transformers](https://voltformer.com/category/distribution-transformers.md): 50 kVA–3150 kVA oil-immersed hermetic, conservator and cast-resin dry-type medium-voltage distribution transformers. / [Cast-Resin Dry-Type Transformers](https://voltformer.com/category/distribution-transformers/cast-resin-dry-type-transformers.md)

## Technical Specifications

| Property | Value |
|---|---|
| Rated power | 1250 kVA |
| Primary / secondary voltage | 35 kV / 0.4 kV (±2 x 2.5%) |
| Frequency / phases | 50 Hz / 3-phase - Dyn11 |
| Short-circuit impedance (Uk) | 6% |
| No-load loss P0 | 1.55 kW |
| Load loss Pk | 9.8 kW |
| Calculated efficiency (power factor = 1) | 99.1% at 100% load; 99.36% at 50% load |
| Loss class | Ecodesign Tier 2 |
| Windings | Copper (Cu-Cu) - cooling: AN/AF - insulation: Class F (155°C) |
| Temperature rise | 100 K - sound pressure: 55 dB(A) |
| Mass and dimensions | 4300 kg - 1780×1100×1850 mm |
| Enclosure | IP00 / optional IP31 - wheel gauge: 820 mm |
| LI / AC withstand | 170 kV peak / 70 kV rms - partial discharge: 5 pC |
| Environment | -25°C / +40°C; altitude ≤ 1000 m |
| Core steel | CRGO Laser-Treated Grain-Oriented Silicon Steel (23ZDMH85 / Baosteel B23R085) |
| Bushings / terminals | Direct Copper Busbar Terminals (Busbar Integrated / IP00-IP31) |

## Standards

- IEC 60076-11
- TS EN 50708 series
- EU 548/2014 + 2019/1783 Tier 2
- CE

## Accessories

**Included:** PT100 Temperature Sensors, Digital Thermostat
**Optional:** IP31 Enclosure, Cooling Fan Kit

## Official sources

- https://www.chintglobal.com/global/en/products/power-transmission-and-distribution/distribution/ng7-40-5-1250.html

- **Source scope:** manufacturer-family
- **Last reviewed:** 2026-09-13

Manufacturer portfolio/family source. Confirm the exact order code, guaranteed ratings and project-specific options against the current OEM datasheet before procurement or an SLD study.

## Pricing & Logistics

- Pricing type: RFQ (On Request) - Indicative range: $21,500 – $25,500 USD
- Delivery time: 2–8 weeks (may vary depending on technical configuration, factory capacity and destination) - Warranty: 36 months
- Compliance candidates: IEC 60076-11, TS EN 50708 series, EU 548/2014 + 2019/1783 Tier 2, CE. Verify applicability and conformity against the exact offered model and project jurisdiction.

## RFQ

Request a formal factory quotation via Voltformer RFQ:

```json
POST https://voltformer.com/api/v1/rfq
{"companyName":"Example Energy","email":"procurement@example.com","items":[{"skuOrId":"VF-CHINT-SCB18-1250-35","quantity":1}]}
```

Full catalog JSON: https://voltformer.com/agent-catalog.json - OpenAPI: https://voltformer.com/openapi.json