# Electromechanical Temperature Controller \u2013 QUADRATIC \u2013 Without Bimetallic Compensation, With Rear-Adjustable Switching Point<\/p>\n
The Leitenberger electromechanical temperature controller is the ideal solution for the most demanding temperature control tasks. This robust device ensures precise temperature control without bimetallic compensation and features a rear-adjustable switching point. The stainless steel construction and transparent glass panel guarantee durability and reliability in industrial environments. The \u201eMade in Germany\u201d quality assurance guarantees a long service life and precise operation.<\/p>\n
This model, with part number **04.75** (remote thermostat without bimetallic compensation), is excellently suited for industrial applications where reliable and precise temperature monitoring is critical.<\/p>\n
## Key Features and Technical Data<\/p>\n
The Leitenberger QUADRATIC thermostat is designed to withstand harsh operating conditions while providing maximum precision.<\/p>\n
### Construction and Materials<\/p>\n
* **Housing:** Stainless steel housing, providing excellent corrosion resistance.
\n* **Mounting:** The device is mounted from the rear using a colored, galvanized plate clamp (the color of the mounting element may vary depending on the order).
\n* **Measuring Mechanism:** Application of a double Bourdon tube spring measuring system, which ensures stable and precise measurement.
\n* **Display:** The basic white dial features black lettering. The scale length is approximately 240 degrees, with graduations of 1\u00b0, 2\u00b0, 5\u00b0, or 10\u00b0, depending on the set measurement range.
\n* **Switching Element:** Single-pole changeover contact (SPDT), not equipped with an adjustment knob. The terminals are protected by a cover.<\/p>\n
### Temperature Range and Accuracy<\/p>\n
This model offers outstanding flexibility in setting the measuring range:<\/p>\n
* **Measurement Range:** Individually adjustable according to customer requirements between **-80\u00b0C and +380\u00b0C**.
\n* **Accuracy Class:** **Class 2** according to DIN 16203 standard.<\/p>\n
### Protection and Safety<\/p>\n
The device's protection rating ensures reliable operation in various environments:<\/p>\n
* **Protection Class (IP):**
\n* Housing: **IP 53** (protected against dust, protected against splashing water).
\n* Terminals: **IP 00** according to DIN 60529.
\n* **Extended Protection:** By using the optional cover placed over the terminals, the protection class can be increased to **IP 55** (protected against dust ingress, protected against low-pressure water jets).
\n* **Inductive Loads:** For protection against overvoltages occurring during switching of inductive loads, the use of an **RC element** is recommended to suppress sparking.<\/p>\n
### Optional Configurations<\/p>\n
In addition to the standard model, Leitenberger offers further customization options:<\/p>\n
* **Factory Fixed Switching Point:** There is an option for the switching point to be set at the factory, in which case the possibility of later adjustment is eliminated.
\n* **Fixing the Maximum Setting Value:** Installation of a fixed stop at the maximum adjustable value.<\/p>\n
## Application Areas<\/p>\n
The QUADRATIC thermostat with a non-bimetallic compensated, rear-adjustable switching point is the ideal choice in the following areas:<\/p>\n
1. **Refrigeration Technology:** Precise temperature monitoring in cold rooms and industrial refrigeration systems where fluctuations in ambient temperature must not affect the measurement (due to the lack of compensation).
\n2. **Industrial Process Control:** Process control and monitoring in machines and equipment where reliable electrical switching signals are required upon reaching a specified temperature threshold.
\n3. **Heating and Heat Treatment Systems:** Applications where temperature control must correspond directly to the process temperature, without external temperature correction.<\/p>\n
## Technical Specification Summary<\/p>\n
| Parameter | Specification | Notes |
\n| :— | :— | :— |
\n| **Product Type** | Electromechanical Temperature Controller | Remote signaling thermostat |
\n| **Part Number** | 04.75 | Without bimetallic compensation |
\n| **Switch Point Setting** | Adjustable from the rear | Standard version |
\n| **Housing Material** | Stainless steel | High durability |
\n| **Measuring System** | Double Bourdon tube spring | Precise operation |
\n| **Measuring Range** | From -80\u00b0C to +380\u00b0C | Customer-specific setting |
\n| **Accuracy** | Class 2 (DIN 16203) | Compliant with standard |
\n| **Contacts** | 1 pc single-pole changeover contact (SPDT) | No rotary knob |
\n| **Housing Protection** | IP 53 | Connectors IP 00 (with IP 55 option) |
\n| **Scale Length** | approx. 240\u00b0 | Good readability |<\/p>\n
Leitenberger is committed to excellent quality measuring and control technology. This thermostat is the result of German engineering, guaranteeing long-term, trouble-free operation even in the most critical industrial processes.<\/p>","protected":false},"excerpt":{"rendered":"
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