Contactoare Tetrapolare AC GMC GMC-9/4 GMC-12/4 GMC-18/4 GMC-22/4 GMC-32/4 GMC-40/4 GMC-50/4 GMC-65/4 GMC-75/4 GMC-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