Product Description The Wilo WCZ Zone Relay features: 4-Zone and 2-Zone Controls. 120 VAC; +/- 10 percent. 4x Optically Isolated demand inputs. 24 VAC or dry contact. 120 VAC 5A zone outputs. RS-232. 8 bit 16 mhz UL-approved. From the Manufacturer The Wilo WCZ Zone Relay features: 4-Zone and 2-Zone Controls. 120 VAC; +/- 10 percent. 4x Optically Isolated demand inputs. 24 VAC or dry contact. 120 VAC 5A zone outputs. RS-232. 8 bit 16 MHz. UL-approved.
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