Overview

This document provides detailed technical specifications, accessories, and installation guidelines for the S6 series of switch-disconnectors compliant with IEC 60947-3 standards. The series includes 2-pole (2P), 3-pole (3P), and 3-pole plus neutral (3P+N) configurations, with current ratings ranging from 250A up to 800A.

Technical Specifications

• Rated Thermal Current (Ith): Available for 40ºC, 50ºC, and 60ºC ambient temperatures, with values from 250A to 800A depending on model size.
• Rated Insulation Voltage (Ui): 1000 V across all models.
• Rated Impulse Withstand Voltage (Uimp): 12 kV for all variants.
• Rated Operational Current (Ie): Triphasic currents at 400V (AC23A) and 690V (AC21A) with values matching the rated thermal current.
• Short-Circuit Performance: Rated short-circuit making capacity (Icm) peaks at 20 kA for sizes up to 500A and 26 kA for 630A and 800A models. Rated short-time withstand current (Icw) is 12 kA for smaller sizes and 16 kA for larger sizes (1 second duration).
• Mechanical Endurance: 8000 cycles for sizes up to 500A and 5000 cycles for 630A and 800A models.
• Weight: Varies by configuration and size, e.g., 1.65 to 2.76 kg for smaller sizes and up to 5.7 kg for larger models.

Dimensions and Mounting

Dimensions vary by size and pole configuration, with detailed measurements provided for height, length, and mounting hole diameters. Mounting positions must comply with installation instructions; notably, installation at 270 degrees orientation is prohibited.

Accessories and Options

• Safety Key Lock Devices: Available in simple and double key codes (e.g., DS-CA11, DS-CE11 for smaller sizes; DS-CB21, DS-CF21 for larger sizes). Keys lock the handle in OFF position (optional ON position) and can only be removed when locked.
• Phase Barriers: Modular units (DR-SF11 to DR-SF13 for smaller sizes, DR-SF21 to DR-SF23 for larger sizes) to maintain required clearances.
• Terminal Shrouds: Protective covers (DR-CU11 to DR-CU13 and DR-CU21 to DR-CU23) for terminals.
• Spacers: Sets of four units (DR-EL11 and DR-EL21) for installation spacing.
• Handles: Direct handles (DS-SI11, DS-LI21), external handles with or without shafts (IP65 rated), and emergency external handles with shafts.
• Auxiliary Contacts: Options include 1NO+1NC and 2NO+2NC contacts rated at 16 A resistive and 4 A inductive loads at 250 Vac.
• Shaft Extensions: Two types available with varying lengths and codes for extended mounting flexibility.

Electrical and Mechanical Notes

• Short-circuit ratings are specified without limiting protective devices, with short-circuit durations maintained between 50 to 100 ms.
• Phase barriers are recommended to maintain required electrical clearances.
• 4-pole switch-disconnectors are available upon request.
• Torque specifications for terminal connections are provided (e.g., M12 screws tightened to 24 Nm).

Installation Recommendations

Installation must follow the provided drilling templates for door mounting and handle/key lock devices. The orientation of the switch-disconnector is critical; installation at 270 degrees is not allowed. Consult installation instructions for acceptable mounting positions.

Summary of Key Parameters by Size

Conclusion

The S6 series switch-disconnectors offer robust electrical and mechanical performance suitable for industrial applications requiring reliable switching and isolation. The availability of multiple accessories enhances safety and installation flexibility. Compliance with IEC 60947-3 ensures standardized quality and performance. Proper installation and adherence to mounting orientation are critical for optimal operation.