Morningstar ReadyShunt

The Morningstar RB-SHUNT BLOCK ReadyShunt is a Blockbus-connected battery meter and shunt block designed for accurate current monitoring in solar and battery systems. Rated for 500 A across two shunt inputs, it measures net battery, charging source, load, and passive monitoring currents in real time. With measurement accuracy below 0.4% and DIN-rail mounting, it suits installers building combiner and disconnect systems that need dependable, code-conscious current sensing.

Key Features:

• 500 A rating with 2 shunt inputs and 2 ports
• Measurement accuracy < 0.4%, shunt accuracy +/- 0.25%
• Shunt scaling options 50 mV / 100 mV (50 mV included)
• Blockbus communication with DIN-rail mounting
• Real-time current in Amps, positive or negative wiring
• Detects broken or missing shunt signal wire
• Max potential between shunts 1.5 V
• Operating temperature -40°F to 140°F, IP20 indoor
• 3.96 x 0.874 x 2.42 in, 2.5 lbs
• Type 1 indoor enclosure, 5-year warranty

Ideal for installers and system integrators needing precise battery and source current monitoring in indoor combiner and disconnect assemblies. Its Blockbus interface, DIN-rail format, and status LEDs make it a straightforward fit for Morningstar-based monitoring setups across a wide operating temperature range. Order the RB-SHUNT BLOCK (also listed as RBSHUNT BLOCK) from Circuit Solar, in stock in Canada and shipped from Red Deer, AB.