Schneider TM171ASCTB27 Modicon M171 Performance 27 I/O Screw Terminal Blocks

The Schneider Electric TM171ASCTB27 is a set of removable screw terminal blocks designed as a connection accessory for the Modicon M171 Performance logic controller. It provides 27 input/output positions on green, pluggable screw connectors, allowing the controller wiring to be pre-assembled and the base controller to be swapped out without disturbing the field wiring.

Technical specifications

• Range: Modicon M171/M172
• Accessory category: Connection accessory
• Accessory type: Screw terminal block
• Product or component type: Terminal block
• Input/output number: 27
• Product compatibility: Logic controller M171 Performance
• Accessory destination: Base controller
• Electrical connection: Removable terminal block screw connector
• Color: Green
• Product weight: 0.1 kg (0.2 lb)
• GTIN: 3606480752582
• Country of origin: Italy
• Warranty: 18 months

Features and benefits

• Pluggable, removable design allows the controller to be replaced without rewiring the panel
• Screw clamp connection for reliable, vibration-resistant field wiring
• 27 positions matched to the I/O layout of the M171 Performance base controller
• Color-coded green housing for fast identification during installation and maintenance
• Genuine Schneider Electric spare part, fully qualified for the Modicon M171/M172 platform

Applications

The TM171ASCTB27 is intended for HVAC, refrigeration and building automation installations built around the Modicon M171 Performance controller. It is used during initial panel build, as a stocked spare for fast controller replacement, and in OEM machine control panels where the M171 Performance manages compressors, chillers, rooftop units, air-handling units and similar mechanical equipment.