{"id":59447,"date":"2019-04-06T21:52:03","date_gmt":"2019-04-06T18:52:03","guid":{"rendered":"https:\/\/www.erail.gr\/?post_type=product&p=59447"},"modified":"2026-08-03T11:41:11","modified_gmt":"2026-08-03T08:41:11","slug":"marklin-74391-color-light-block-signal","status":"publish","type":"product","link":"https:\/\/www.erail.gr\/en\/shop\/marklin-74391-color-light-block-signal\/","title":{"rendered":"Marklin 74391 – Color Light Block Signal"},"content":{"rendered":"

This is a simple block signal for use on rail lines away from station areas. The signal aspects change from Hp0 (red) to Hp1 (green). Track current can be controlled by means of the 72751 control box. Maintenance-free LEDs. Height without base approximately 78 mm \/ 3-1\/16″. A suitable control box is 72751. The 74391 signal cannot be operated with other controllers!<\/p>\n","protected":false},"excerpt":{"rendered":"

Marklin 74391 – Color Light Block Signal<\/p>\n","protected":false},"featured_media":59448,"template":"","meta":{"_acf_changed":false},"product_brand":[946],"product_cat":[775],"product_tag":[],"class_list":["post-59447","product","type-product","status-publish","has-post-thumbnail","product_brand-marklin-2","product_cat-simatodotisi","first","instock","purchasable","product-type-simple"],"acf":[],"yoast_head":"\nMarklin 74391 - Color Light Block Signal - eRail - Railway modelling<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.erail.gr\/en\/shop\/marklin-74391-color-light-block-signal\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Marklin 74391 - Color Light Block Signal - eRail - Railway modelling\" \/>\n<meta property=\"og:description\" content=\"Marklin 74391 - 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