SICK WT34-R250 Photoelectric sensors. SICK WT34-R250 is a photoelectric sensors in the W34 family. SICK identifies this exact configuration as manufacturer article 1019240. The official technical record specifies Functional principle: Photoelectric proximity sensor; Functional principle detail: Background suppression; Dimensions (W x H x D): 27 mm x 92 mm x 70 mm; Housing design (light emission): Rectangular; Sensing range max.: 100 mm ... 1,200 mm 1); Sensing range: 100 mm ... 1,200 mm. The linked SICK data sheet is specific to WT34-R250.
4 A @ 250 V AC, 4 A @ 24 V DC, 0.125 A @ 250 V DC UL: 4 A @ 250 V AC, general use / 4 A @ 250 V AC, resistive (NO) / 3 A @ 250 V AC, resistive (NC) / 4 A @ 24 V DC, NO, general use / 3 A @ 24 V DC, NC, general use / R300 / B300 (NO contacts only)