The closest replacement is 56CB13-GY
56 Series 13 Module Switchboard, IP66
Fitted complete with DIN rail, 1 x Earth and 2 x Neutral bars as standard.
Base enclosure is same size as 56E6 with 6x25mm & 2x32mm cable entries.
• Clear pad lockable flap cover
• Supplied with accessory pack includes 12 pole busbar
• Complies with AS/NZS3439.3
See attached for more information.