Contactoare Tetrapolare DC GMC GMD-9/4 GMD-12/4 GMD-18/4 GMD-22/4 GMD-32/4 GMD-40/4 GMD-50/4 GMD-65/4 GMD-75/4 GMD-85/4 GMC-100/4 GMC-125/4 GMC-150/4 GMC-180/4 GMC-220/4 GMC-300/4 GMC-400/4 GMC-600/4 GMC-800/4