Small enclosure, degree of protection IP65, glass-fiber reinforced polycarbonate, enclosure base RAL 9005, black/operator only RAL 7035, light gray, metric cable entry knockouts top, bottom and in the back plate, push-through cable entry diaphragm, 2 protective caps to protect the push-through membrane, indicator light L-. can be mounted in base knock-out M20/M25, for T3-../Z switch, 3 – 4 contact units