Eaton XTCS400M – Auxiliary Contact Block with Integrated Surge Suppressor
The Eaton XTCS400M is a side-mounting auxiliary contact block from the specialized XTCS series, designed for use with large-frame Eaton contactors, primarily the DILM400 and similar models. The key distinguishing feature of this module is the integrated surge suppressor, denoted by the “S” in its model suffix.
Parameter Specification / Description
Manufacturer & Model Eaton XTCS400M
Product Series XTCS Series (Auxiliary Contact Blocks with Surge Suppression)
Compatible Main Contactors DILM400, and potentially other large-frame DILM contactors (verify with catalog).
Key Feature Integrated Surge Suppressor for protection against inductive voltage spikes.
Contact Configuration Most likely: 1 Changeover Contact (1 NO + 1 NC with common). (Must verify with official catalog)
Surge Suppressor Type Typically an RC circuit (Snubber) or Metal Oxide Varistor (MOV).
Rated Operational Current (Ie) For Utilization Category:
• AC-15: ~10 A @ 230/400 V AC
• DC-13: ~0.5 A @ 24 V DC
Rated Insulation Voltage (Ui) 690 V
Electrical Endurance > 10 million operations (at rated load)
Mechanical Endurance > 20 million operations
Terminal Type & Wire Size Screw-clamp terminals. Accepts wire sizes up to 2.5 mm² (14 AWG).
Degree of Protection IP20 (when mounted on the contactor inside an enclosure).
Ambient Temperature Range -25°C to +60°C (for operation)
Mounting Method Side-mounted onto compatible large-frame Eaton contactors (e.g., DILM400).
Standards & Approvals IEC/EN 60947-5-1, CE, CCC, etc.