Sks hirschmann laboratory plug sls 200 60vdc 30a sks hirschmann 932 153 103 these yellow sks hirschmann banana plugs are touch proof with a further plugging option insulated through a locking and spring mounted insulation sleeve which is released only through pressure on the lateral locking springs sks hirschmann 932 153 103 4mm sliding sleeve sls 200 plug 30a yellow