301P

Tekmar One Zone Switching Relay

    73.84 73.84 73.84 USD

    73.84

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    Tekmar One Zone Switching Relay



    Specifications

    ControlMicroprocessor control. This is not a safety (limit) control.
    Packaged weight5.0 lb. (2250 g)
    Dimensions8-3/16" H x 10-11/16" W x 2-3/8" D (208 x 271 x 60 mm)
    EnclosureCover: ABS plastic, Base: galvanized steel, NEMA type 1
    ApprovalsCSA C US
    Ambient conditionsIndoor use only, 32 to 122°F (0 to 50°C), RH ?90% non-condensing
    Power supply115 V (ac) ±10%, 60 Hz, 20 A
    Transformer40 VA, expandable to 80 VA with additional transformer M3069 (sold separately)
    FusesT5A 250 V slow blow, two spare fuses included
    Pump relays230 V (ac), 5 A, 1/3 hp
    Boiler XX end switch24 V (ac), 5 A
    DHW end switch24 V (ac), 5 A
    Mod boiler output0-10 V (dc) 500 ? min load impedance / 4-20 mA 1 k? max load impedance
    WarrantyLimited 3 Year Warranty

    The Switching Relay 301P connects to one thermostat and operates a circulator and boiler to provide heating to a hydronic heating system. The 301P includes optional exercising to prevent circulator seizure when not in use, and optional post purge operation maximize energy savings.

    • Compatible with all low voltage thermostats, pump exercising
    • Post purge, LED for power and zone
    • Top, bottom and back conduit knockouts, fuse protects pump
    • Spare fuse included
    • 20 VA transformer
    • Thermal circuit breaker protects transformer
    • Hinged cover
    • CSA approved
    • 3-year warranty

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