2CDE000012R1901 ABB ILTS-E/H11 Auxiliary Switch 1NO + 1NC

Why Choose the ABB ILTS-E/H11 Auxiliary Switch?

The ABB ILTS-E/H11 is a dedicated auxiliary switch with 1NO + 1NC contacts designed for use with ABB ILTS-E D0 fuse-switch-disconnectors. It provides an electrical indication of the switch-disconnector contact position, allowing the operating state of the associated device to be communicated to monitoring, signalling or control circuits.

Developed as an accessory for the ABB ILTS-E fuse-switch-disconnector range, the ILTS-E/H11 complements the series' modular drawer-technology design. The ILTS-E range is intended for D02 fuse links from 2–63 A, with D01 fuse links accommodated using the appropriate reducing piece, and the auxiliary switch provides remote contact-position feedback for these installations.

The ILTS-E/H11 incorporates one normally open and one normally closed contact. Its contacts are rated for AC-13 duties at 2 A / 400 V AC and 6 A / 230 V AC, as well as DC-13 duties at 1 A / 220 V DC and 6 A / 24 V DC, providing flexible signalling capability in electrical distribution and control systems.

Key Advantages

• Dedicated auxiliary switch for ABB ILTS-E fuse-switch-disconnectors.
• 1NO + 1NC contact configuration provides complementary switching signals.
• Provides electrical indication of contact position for remote monitoring.
• AC-13 contact ratings suitable for common AC control and signalling circuits.
• DC-13 contact ratings support DC monitoring and control applications.
• Compact accessory designed specifically for integration with the ILTS-E range.
• Supports status signalling in professional electrical distribution assemblies.

Key Features

• ABB ILTS-E/H11 auxiliary switch.
• 1 normally open (NO) contact.
• 1 normally closed (NC) contact.
• AC-13: 2 A at 400 V AC.
• AC-13: 6 A at 230 V AC.
• DC-13: 1 A at 220 V DC.
• DC-13: 6 A at 24 V DC.
• Designed to indicate the switching position of ILTS-E fuse-switch-disconnectors.
• Compatible with the ILTS-E range for D0 fuse links.
• Compact accessory weighing approximately 0.050 kg.

Reliable Contact-Position Signalling for ILTS-E Installations

Auxiliary contacts allow the mechanical state of switching equipment to be represented electrically in a separate monitoring or control circuit. The ABB ILTS-E/H11 provides both normally open and normally closed contacts, enabling complementary signals to be used for status indication, interlocking or connection to control equipment.

When integrated with an ABB ILTS-E fuse-switch-disconnector, the auxiliary switch provides contact-position feedback without changing the primary fuse-switch-disconnector function. This makes it a practical accessory for distribution systems where operators, control panels or automation equipment need electrical confirmation of the switching state.

Typical Applications

• Contact-position indication for ABB ILTS-E fuse-switch-disconnectors.
• Electrical distribution boards and switchboards.
• Remote ON/OFF status signalling.
• Industrial control and monitoring circuits.
• Building electrical distribution systems.
• Panel status indication and interlocking circuits.
• Automation and supervisory control interfaces.