METZ CONNECT KRA-M4/1 Interface Relay Module, 4 CO Contacts, 24 V AC Coil, 250 V AC, White 11061325

With a 24 V AC coil and four changeover contacts, the METZ CONNECT KRA-M4/1 interface relay module switches loads up to 250 V AC at 6 A. Its compact 11.2 mm housing mounts directly on a DIN rail, making it suitable for control cabinets and building automation.

Overview

The KRA-M4/1 is an interface relay module from METZ CONNECT. It provides four changeover contacts (CO) and is driven by a 24 V AC coil. The relay is designed for DIN rail mounting and uses screw terminals for wiring. The housing is white and made of polyamide. The operating temperature range is -20 to 55 °C.

What stands out

• Four changeover contacts for flexible switching
• Compact width of 11.2 mm saves space on the DIN rail
• High switching capacity: 250 V AC / 6 A
• Insulation voltage between input and output: 4 kV
• Long mechanical life: 10 million cycles

Technical details

• Product type: Interface relay module
• Number of contacts: 4 changeover contacts (CO)
• Coil voltage: 24 V AC
• Maximum switching voltage: 250 V AC
• Rated output current: 6 A
• Mounting: DIN rail
• Connection: Screw terminals
• Colour: White
• Operating temperature: -20 to 55 °C
• Insulation voltage: 4 kV (input/output)
• Electrical life: 100,000 cycles at rated load
• Mechanical life: 10,000,000 cycles
• Housing material: Polyamide (PA)
• Dimensions (W x D x H): 11.2 x 60 x 87.5 mm
• Weight: 45 g

Our verdict

The KRA-M4/1 is a solid choice for control cabinet applications requiring multiple relay contacts in a narrow housing. Its 4 kV insulation and high cycle life make it reliable for frequent switching.