Counterweight slack belt detection switch

An elevator system comprising:

• an end termination;
• a tension member extending from the end termination, the tension member having a first side and second side opposite the first side;
• and
• a counterweight slack detection switch, comprising:
• a body;
• a first belt guide mounted to the body and configured to engage the first side of the tension member;
• a second belt guide mounted to the body and configured to engage the first side of the tension member;
• a lever arm having a first end and a second end, the first end pivotally mounted to the body;
• a deflectable member biasing the lever arm relative to the body;
• a third belt guide mounted to the second end of the lever arm and configured to bias the tension member from a tension position to a slack position;
• and
• a switch mounted to the body and configured to contact the tension member when the tension member is in at least one of the tension position and the slack position.