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The SunGold Power 160 Amp DC Breaker is a two-pole molded case circuit breaker in SunGold's SG-C series. It guards a DC circuit against overloads and short circuits and gives you a manual disconnect point for maintenance and emergency shutdown.
It is made for battery-based solar and energy storage systems, between a battery bank, an inverter and other DC power equipment. It suits homeowners and installers whose battery circuit calls for 160A protection.
The 160A rating fits high-current battery and inverter circuits in smaller and mid-size systems. SunGold recommends 2/0 AWG cable at this rating.
The rated operating voltage runs from DC12V to 500V, with a 1000V insulation voltage.
SunGold rates the short-circuit breaking capacity (Icu) at 25kA and the rated breaking capacity (Ics) at 20kA. The thermo-magnetic release trips on sustained overloads as well as short circuits.
The breaker handles battery charging and discharging. Overcurrent protection is the same either way, and only the short-circuit breaking capacity depends on the wiring direction.
Marked switch positions make it easy to see whether the circuit is live. A red button lets you trip the breaker by hand.
Battery to inverter link. Protect and switch the DC feed between a battery bank and an inverter.
Solar energy storage. Add a protected disconnect to the storage side of a solar system.
Backup power. Shut down the battery circuit quickly during service or an emergency.
A switch alone isolates the circuit but does not trip on an overload or short circuit. This breaker does both jobs in one part.
The two share the same frame size, voltage rating and breaking capacity. The 300A model is meant for larger battery banks and uses heavier 350 kcmil cable, while the 160A model pairs with 2/0 AWG.
SunGold requires vertical mounting with the arc chamber on top. Horizontal and upside-down mounting are prohibited, and the terminals tighten to 5.0N.m. The rated ambient range is -10°C to +40°C at altitudes up to 2000m.
Connect the battery or other DC source to the top LINE terminals and the inverter or load to the bottom LOAD terminals. SunGold recommends this normal connection for full breaking performance.
No. SunGold states that the positive and negative poles are interchangeable.
Push the handle down to OFF, then push it up to ON. The handle won't go up while the breaker is still in the tripped state.
The SunGold Power 160 Amp DC Breaker combines overload and short-circuit protection with a manual disconnect for battery-based solar and storage systems. At Outbound Power, we help customers match breakers and cables to their batteries and inverters. If you have questions, our team is happy to help.
SunGold Power 160 Amp DC Breaker Specifications |
|
|---|---|
| Electrical Ratings | |
| Brand | SunGold Power |
| Model | SG-C160A |
| Series | SG-C DC Molded Case Circuit Breaker (MCCB) |
| Rated Current | 160A |
| Poles | 2P |
| Rated Operating Voltage (Ue) | DC12V~500V |
| Insulation Voltage (Ui) | 1000V |
| Rated Impulse Withstand Voltage (Uimp, 1.2/50) | 6kV |
| Rated Breaking Capacity (Ics) | 20kA |
| Rated Operating Short-Circuit Breaking Capacity (Icu) | 25kA |
| Icu by Direction (Normal Connection) | 25kA discharging, 15kA charging |
| Release Characteristic | Thermo-magnetic, Curve (4-6In) |
| Use Category | A |
| Current Direction | Bidirectional (charging and discharging) |
| Mechanical and Installation | |
| Electrical Life | 1000 cycles |
| Mechanical Life | 2000 cycles |
| Installation | Panel screw installation, vertical only (arc chamber on top) |
| Terminal Connection Type | Hexagon screw |
| Tightening Torque | 5.0N.m |
| Recommended Cable Size | 2/0 AWG |
| Arcing Distance | ≤50mm |
| Dimensions (L x W x H) | 164 x 74 x 108 mm |
| Operating Conditions | |
| Ambient Air Temperature | -10°C to +40°C (24-hour average below +35°C) |
| Altitude | Up to 2000m |
| Pollution Degree | 3 |
| Standards | |
| Standard | IEC/EN 60947-2 |
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