The JRQFS650BA is an integrated enclosure heater system featuring an axial fan and a built-in thermostat. Its heating element is a PTC resistor with temperature-limiting capabilities and an automatic reset thermal safety cut-out to prevent overheating. The Axial fan features a remarkable ball bearing service life of 50,000h at 25 ∘ C (77 ∘ F). Connection is via a 2-pole clamp 2.5mm 2 with a clamping torque of 0.8Nm max. Mounting is simple with a 35mm DIN rail, EN 60715. It supports vertical airflow (air outlet up) and other fitting positions. The casing is plastic according to UL94 V-0, light grey. Protection class is IP20.