252 64th Street Brooklyn N.Y. 11220

Call 718-875-2089

Text 917-578-1957

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Price: $79.50

    Item #: R845A1030
    Availability: In stock
    Usually ships In 1-2 Business days

    Switching Relay provides DPST switching for hydronic zone controlled heating systems or SPST control of two separate loads. One load must be line voltage; the other may be either line or low voltage.


    • Integral transformer provides low voltage power for control circuit.

    Product Specifications

    Enclosed intermediate DPST switching relay for 24 volt 2 wire thermostat control of one line voltage and one line or low voltage devices. 120 volt primary power supply.
    Dimensions (in.)
    5 1/4 in. high x 4 1/4 in. wide x 2 5/16 in. deep
    Dimensions (mm)
    133 mm high x 108 mm wide x 59 mm deep
    Integral transformer, enclosure
    Thermostat Compatibility-- Low voltage (Class 2) 2-wire
    Item Type
    Electrical Ratings
    Maximum Input-5.0 W
    50 Hz; 60 Hz
    Approvals, Underwriters Laboratories Inc.
    Listed: File No. E4436, Guide No. XAPX
    Approvals, CSA
    Certified: File No. LR1620
    Tradeline Value
    Electrical Connections
    Control Circuit- 2-Wire
    Temperature Ratings (C)
    46 C maximum ambient for 60 Hz. 41 C maximum ambient for 50 Hz.
    Temperature Ratings (F)
    115 F maximum ambient for 60 Hz. 105 F Max. Ambient for 50 Hz.
    DPST; one pole line voltage, the other line or low voltage
    Pilot Duty Ratings
    Secondary-- 50 VA @ 24V
    Contact Ratings (AFL)
    At 120 Vac-- 7.4A; 240 Vac-- 3.7A: Secondary-- at 120 Vac 3A; at 240 Vac 2A
    Contact Ratings (ALR)
    At 120 Vac-- 44.4A; 240 Vac--22.2A: Secondary-- at 120 Vac 18A; at 240 Vac 12A
    Contact Ratings (resistive)
    At 120 Vac--10A; 240 Vac-- 6.0A
    Input Voltage
    Coil Ratings Voltage
    24 Vac
    Coil Ratings Current
    Electrical Ratings, Contacts
    Maximum connected load is 2000 VA (120 Vac to 240 Vac)
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