Siemens INSTA contactor with 4 NO contacts for 230VAC, 400V, 25A Part number 5TT5820-0

Product Overview

The Siemens 5TT5820-0 is a SENTRON INSTA modular installation contactor designed for switching electrical loads in residential, commercial and light industrial distribution systems. It features four normally open contacts and is suitable for switching resistive and capacitive loads in control and power circuits. Its compact DIN-rail design allows easy installation in standard distribution boards.

Key Features

• 4 normally open (NO) main contacts
• Rated operational current of 25 A
• Control voltage: 230 V AC
• Designed for resistive and capacitive load switching
• Compact width of only 2 modular units
• DIN-rail mounted for quick installation
• SENTRON INSTA modular system compatibility

Technical Specifications

• Article Number: 5TT5820-0
• Product Family: SENTRON INSTA modular contactors
• Number of Poles: 4
• Contact Configuration: 4 × Normally Open (NO)
• Rated Operational Current (Ie): 25 A
• Control Voltage: 230 V AC
• Rated Operational Voltage: up to 440 V AC
• Modular Width: 2 modules
• Degree of Protection: IP20
• Mounting Type: DIN rail
• Width × Height × Depth (approx.): 36 mm × 90 mm × 71 mm
• Weight (net): approx. 0.23 kg

Compliance & Certifications

• CE compliant
• RoHS compliant
• Designed and manufactured according to Siemens SENTRON standards

Applications

This modular contactor is typically used in low-voltage distribution boards for lighting circuits, heating systems, ventilation systems and general load control. It is suitable for residential building automation, commercial electrical panels and light industrial switching applications where reliable and compact load control is required.