301P Switching Relay – 1 Zone

Description

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.

Features
20 VA transformer

3-year warranty

CSA approved

Compatible with all low voltage thermostats

Fuse protects pump

Hinged cover

LED for power and zone

Post purge

Pump exercising

Spare fuse included

Thermal circuit breaker protects transformer

Top, bottom and back conduit knockouts

Specifications
Control: Microprocessor control. This is not a safety (limit) control.
Packaged weight: 2.5 lb. (1125 g)
Dimensions: 6-11/16″ H x 4-15/16″ W x 2-7/16″ D (169 x 123 x 62 mm)
Enclosure: Cover: ABS plastic, Base: galvanized steel, NEMA type 1
Approvals: CSA C US
Ambient conditions: Indoor use only, 32 to 122°F (0 to 50°C), RH<90% non-condensing Power supply: 115 V (ac) +-10%, 60 Hz, 5 A Transformer: 24 V (ac), 20 VA Control load: 7.5 VA Fuse: T5A 250 V slow blow, spare fuse included Pump relay: 230 V (ac), 5 A, 1/3 hp Boiler XX end switch: 24 V (ac), 5 A Warranty: Limited 3 Year Warranty