The TBC HD9 Indicator Signal Lamp is a purpose-built visual indication device from the TBC product line, engineered for reliable signal monitoring in electrical control and distribution environments. Designed to mount directly onto a standard 35mm DIN rail, the HD9 delivers clear, high-brightness LED indication across three colour options — Red, Yellow, and Green — to communicate power status, operating conditions, warnings, and fault signals at a glance.
With a slim 18mm profile and compatibility with both AC and DC control circuits up to 230V, the HD9 is well suited for panel builders, system integrators, and industrial automation engineers who require a dependable, low-maintenance indication solution. Its flame retardant thermoplastic housing and low power consumption make it a practical choice for high-density panel installations across commercial, industrial, and telecommunications applications.
The TBC HD9 Indicator Signal Lamp is a compact, DIN rail-mounted visual indication device designed to meet the demanding requirements of modern electrical control panels, distribution boards, and industrial automation systems. Built around a high-brightness LED light source, the HD9 provides consistent and reliable visual feedback for a wide range of indication functions including power availability, operating status, preset signals, fault conditions, warning alerts, alarm states, and circuit monitoring.
Constructed from flame retardant thermoplastic, the HD9 housing is engineered to withstand the thermal and mechanical stresses typical of enclosed panel environments. The 18mm wide form factor allows multiple units to be installed side by side on a standard 35mm DIN rail without consuming excessive panel space, making it an efficient solution for multi-signal indication requirements. The product is available in three voltage variants — 12V, 24V, and 230V AC/DC — ensuring compatibility with the full spectrum of control circuit voltages encountered in commercial and industrial installations.
The HD9 is targeted at panel builders, electrical contractors, OEM machine manufacturers, and system integrators who require a straightforward, cost-effective, and long-lasting indication component. Its combination of compact dimensions, broad voltage compatibility, and clear colour-coded LED output positions it as a versatile standard component for distribution and control panel assemblies across multiple industry sectors.
The HD9 employs a solid-state LED light source driven directly from the connected AC or DC control circuit voltage, eliminating the need for external current-limiting resistors or additional driver components in standard installations. The LED assembly is housed within a flame retardant thermoplastic enclosure rated to IP20, providing adequate protection against accidental contact with live parts within enclosed panel environments. The terminal block accepts conductors up to 6mm² and is designed for straightforward screw-terminal wiring. The device operates across a rated frequency range of 50Hz and 60Hz for AC applications, and is equally functional on DC circuits at the same voltage ratings, offering genuine dual-supply flexibility for control engineers.
| Model | HD9 ( ROUND ) Series |
|---|---|
| Product Type | Indicator Signal Lamp |
| Rated AC Voltage | Up to 230V AC |
| Rated DC Voltage | Up to 230V DC |
| Available Voltage Options | 12V AC/DC (HD9-12V), 24V AC/DC (HD9-24V), 230V AC/DC (HD9-230V) |
| Rated Frequency | 50Hz / 60Hz |
| Indicator Colours | Red / Yellow / Green |
| Mounting Type | 35mm DIN Rail |
| Protection Degree | IP20 |
| Wiring Capacity | ≤ 6 mm² |
| Housing Material | Flame Retardant Thermoplastic |
| Light Source | LED |
| Height | 85 mm |
| Width | 18 mm |
| Depth | 68 mm |
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