A surge protector, comprising a tripping apparatus, a module, a first indicator plate, a second indicator plate, an indicator bracket, a power arm, and a bearing, wherein the first indicator plate is disposed on the indicator bracket, the bearing is fixedly connected to one end of the power arm, the other end of the power arm is directly connected to the tripping apparatus in a sliding and abutting manner, and the tripping apparatus is disposed on a lead terminal of the module; and the tripping apparatus comprises a metal dome, an alloy temperature sensing body, a sliding member, and a spring; one end of the metal dome is welded and fixed to the lead terminal of the module through the alloy temperature sensing body, and the other end of the metal dome is configured to connect an external live wire, protective wire, or grounding wire; the sliding member is fixedly connected to one end of the spring; the spring is in a force accumulation state; characterized in that the surge protector is a graphite surge protector; the module is a graphite gap module; the sliding member is a linear sliding member; the indicator bracket with the bearing is sleeved over a pivoting point on a frame of the graphite surge protector; the other end of the power arm is directly connected to the linear sliding member of the tripping apparatus in a sliding and abutting manner; the metal dome is connected to the linear sliding member in an abutting manner; the linear sliding member is configured to push the metal dome away from the graphite gap module when the spring is reset, and drive the power arm to rotate around the bearing; wherein the second indicator plate is overlapped under the first indicator plate in a non-tripped state; and when the tripping apparatus trips and enters into a tripped state, the power arm is pushed to rotate with the indicator bracket, and the first indicator plate no longer overlaps with the second indicator plate in the tripped state. the first indicator plate is disposed on the indicator bracket, the bearing is fixedly connected to one end of the power arm, the other end of the power arm is directly connected to the tripping apparatus in a sliding and abutting manner, and the tripping apparatus is disposed on a lead terminal of the module; and the tripping apparatus comprises a metal dome, an alloy temperature sensing body, a sliding member, and a spring; one end of the metal dome is welded and fixed to the lead terminal of the module through the alloy temperature sensing body, and the other end of the metal dome is configured to connect an external live wire, protective wire, or grounding wire; the sliding member is fixedly connected to one end of the spring; the spring is in a force accumulation state; characterized in that the surge protector is a graphite surge protector; the module is a graphite gap module; the sliding member is a linear sliding member; the indicator bracket with the bearing is sleeved over a pivoting point on a frame of the graphite surge protector; the other end of the power arm is directly connected to the linear sliding member of the tripping apparatus in a sliding and abutting manner; the metal dome is connected to the linear sliding member in an abutting manner; the linear sliding member is configured to push the metal dome away from the graphite gap module when the spring is reset, and drive the power arm to rotate around the bearing; wherein the second indicator plate is overlapped under the first indicator plate in a non-tripped state; and when the tripping apparatus trips and enters into a tripped state, the power arm is pushed to rotate with the indicator bracket, and the first indicator plate no longer overlaps with the second indicator plate in the tripped state.