# HT903 HT Instruments Accessory New

**HT903 HT Instruments Accessory**

**Accessory for meters connection to external CT’s**

The HT903 accessory was designed for connection with multipurpose meters like GSC5x, HT9032, HT202E on three-phase systems through external fixed CTs for high current measurements over 3000 Amps. The HT903 is housed in a wooden box, it receives signals from the CTs secondary with 1A or 5A ratio on its input terminals and transforms it, with linear relationship, in a 1V AC output signal to an analyzer inputs. The HT903 is supplied with a set of cables for connection to CTs and meters/analyzers according to EN61010-1 standard on CAT II 300V.  

**Features:**

-   Transducer 3x1-5A/1V for connection to CTs with accessories
-   Transducer of signal by external CT’s with \\1A or \\5A ratio
-   Output signal: 1V AC
-   Cables with banana 4mm connectors
-   No external power supply

**Included:**

-   C903 : Set of cables for connection to CT's and meters
-   User manual

## Details

- **Price:** 1575.0 USD
- **Vendor:** HT Instruments
- **Type:** Oth Accs
- **Tags:** Accessories, HT Instruments, Manufacturers, Other, Other Equipment, product_manual_group_2, Product_new

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1575.00 USD | In stock |

## Images

- HT903 HT Instruments Accessory New

---

> Source: [ValueTronics](https://valuetronics.com/products/ht903-ht-instruments-accessory-new)
> Updated: 2026-05-21