• Integral transformer provides low voltage power for control circuit.Hydronic Switching Relay, 2-wire, 120VApplication | 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. |
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Electrical Ratings (Maximum Input) | 5.0 W |
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Contacts Electrical Rating (Main) 120 Vac | 7.4A AFL; 44.4A ALR; 10A Resistive |
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Switching Action | DPST; one pole line voltage, the other line or low voltage |
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Overview | Switching Relay provides DPST switching for hydronic zone controlled heating systems or SPST control of two seperate loads. One load must be line voltage; the other may be either line or low voltage. The R845A may be directly controlled by any 2-wire seri |
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Temperature Range (F) | 115 F maximum ambient for 60 Hz. 105 F Max. Ambient for 50 Hz. |
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Contacts Electrical Rating (Main) 240 Vac | 3.7A ALF; 22.2A ALR; 6.0A Resistive |
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Contacts Electrical Rating (Max. Connected Load) | 2000 VA (120 Vac to 240 Vac) |
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Temperature Range (C) | 46 C maximum ambient for 60 Hz. 41 C maximum ambient for 50 Hz. |
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Thermostat Compatibility | Low voltage (Class 2) 2-wire |
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Coil Ratings Voltage | 24 Vac |
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Contacts Electrical Rating (Secondary) 120 Vac | 3A ALF; 18A ALR |
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Contacts Electrical Rating (Secondary) 240 Vac | 2A AFL; 12A ALR |
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Electrical Connections | Control Circuit- 2-Wire |
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Contacts Electrical Rating (Secondary) Pilot Duty Rating | 50 VA @ 24V |
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Electrical Connections (Control Circuit) | 2-Wire |
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Electrical Ratings (Primary Voltage) | 120V, 50/60 Hz |
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Includes | Integral transformer, enclosure |
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Approvals, Underwriters Laboratories Inc | Listed: File No. E4436, Guide No. XAPX |
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Comments | Thermostat Compatibility-- Low voltage (Class 2) 2-wire |
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Temperature Ratings (F) | 115 F maximum ambient for 60 Hz. 105 F Max. Ambient for 50 Hz. |
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Temperature Ratings (C) | 46 C maximum ambient for 60 Hz. 41 C maximum ambient for 50 Hz. |
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Dimensions (in.) | 5 1/4 in. high x 4 1/4 in. wide x 2 5/16 in. deep |
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Dimensions (mm) | 133 mm high x 108 mm wide x 59 mm deep |
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Approvals, Canadian Standards Association | Certified: File No. LR1620 |
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Product Family
Cross Reference
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Functional |
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Manufacturer Suggested Replacement |
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Manufacturer Suggested Replacement |
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