HOCHIKI DFE-135/190 Fixed Temperature Heat Detector

HOCHIKI DFE-135/190 Fixed Temperature Heat Detector

1. The DFE series of features a slim design which combines visual appeal with a high standard of reliability 2. The operating characteristics of all models are a key feature of the product enabling a very cost effective solution for the use of heat detectors. This is further enhanced by the insignificant supervisory current, which enables an unlimited number of detectors to be connected on the same detection wires. 3. With connection to the standard Hochiki range of conventional and addressable bases, the DFE heat detector can be connected or disconnected very easily, allowing simple interchangeability with other types of the Hochiki conventional detection range.

Product Description

The wide operating margin of the DFE fixed temperature heat detector ensures that reliable detection will occur in situations where a fire is characterized by a slow or fast increase in temperature. The DFE range of heat detectors have the widest possible applicability to different types of installations and have been designed to sense heat in a vertical or horizontal position. Consideration should be given to the maximum normal operating temperature before deciding the most appropriate DFE detector for the application.

DFE-60E DFE-135 DFE-90E DFE-190 Rated Voltage DC 24V Working Voltage Range DC 15V – 30V DC15V – 36.3V DC 15V – 30V DC 15V – 36.3V Maximum Switching Current 300mA Max. Heat Sensing Element Bi-metallic Element Alarming Fixed Temperature (Typical) 54°C~60°C 128°F~143°F 84°C~90°C 183°F~194°F Storage Temperature Range -30°C~+50°C -30°C~+80°C Allowable Ambient Humidity (at 40 C) 95% RH Non-Condensing Dimensions ø 100mm X 42mm Weight Approximately 55g Color Off White Applicable Standard EN-54-Pt5 UL-521 En-54-Pt8 UL-521 Response Grade Grade 2 Ordinary Range 1 Intermediate

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