# OJ Electronics EFST-6-221 Alarm Thermostat - 250V Precision Control

The **OJ Electronics EFST-6-221** Alarm Thermostat ensures precise temperature management for your industrial or residential needs. This robust thermostat with part number **EFST-6-221**, offers reliable performance and efficient temperature control. It's designed for easy integration into various heating and cooling systems.

Technically refined, the **EFST-6-221** operates on 24 Vac and 0-10V DC, ensuring compatibility with a wide range of control systems. Its 250V voltage rating and 5A current rating provide stable and consistent operation. Perfect for automation and maintaining optimal environmental conditions.

-   **Precise Temperature Control:** Maintains consistent temperature levels.
-   **Wide Compatibility:** Works with diverse heating and cooling setups.
-   **Easy Installation:** Simple to integrate into existing systems.
-   **Durable Design:** Ensures long-lasting and reliable performance.
-   **Energy Efficient:** Optimizes energy usage for cost savings.

**Specifications:**  
Voltage: 250V  
Current Rating: 5A  
Operating Voltage: 24 Vac, 0-10V DC  
Temperature Range: 5-40 0-20°C  
Weight: 230 gm

Trust **OJ Electronics** for superior quality and reliability in temperature control. Upgrade your industrial automation system with the **EFST-6-221** for enhanced performance. Get yours today

Also our company name is Ram Automations and also you can contact us on email info@ramautomations.com

## Details

- **Price:** 999.0 USD
- **Vendor:** OJ Electronics
- **Type:** Electronics > Automation > Thermostats
- **Tags:** 250V thermostat, alarm thermostat, EFST-6-221, heating control, industrial automation, OJ Electronics, temperature control

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Used | 999.00 USD | In stock |

## Images

- OJ Electronics EFST-6-221 Alarm Thermostat - 250V Precision Control-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/oj-electronics-efst-6-221-thermostat)
> Updated: 2026-09-19