Siemens Overload Relay, Thermal, 0.18 to 0.25 A, 50/60 Hz Frequency, 1NO-1NC 1 Form A/1 Form B Contact Form, 0.25 A at 690 V AC Contact, 3 Pole, Contactor Mounting, Spring Loaded Terminal, IP20 Enclosure, -40 to 70 deg C, 87 mm H x 45 mm W x 70 mm D Dimensions