Overview
The Simpson H335146020 is a Hawk 335 3.5-digit digital panel meter that combines precision measurement with straightforward front-panel access control. This meter is designed for industrial automation and control applications where reliable AC voltage and current monitoring is essential. All parameters are configurable through the easy-to-understand front panel menu, making installation and commissioning fast and field-friendly.
Key Features
- 3.5-Digit Red LED Display — 0.56″ (14.2 mm) bright 7-segment LED digits with five selectable brightness levels
- NEMA 4X Front Panel — Corrosion-resistant protection for harsh industrial environments
- 1/8-DIN Shallow Depth Case — Compact form factor fits standard DIN rail panel cutouts
- Front Panel Configuration — All parameters set via intuitive programming menu; no software required
- Multi-Input Capability — Accepts AC Current, AC Voltage, DC Current, DC Voltage, and Process inputs
- Optional Relay Outputs — Available with one, two, or four 5 Amp relay outputs for control and alarm functions
- Set Point Indicators — Display-mounted activation indicators for set point status visibility
Technical Specifications
| Part Number | H335146020 |
| Product Line | Hawk 335 (Hawk 3) |
| Display Type | 3.5-Digit Red 7-Segment LED |
| Digit Height | 0.56 inches (14.2 mm) |
| Display Features | Five brightness levels, set point indicator |
| Power Supply | 120V AC |
| Rated Current | 5 Amps AC (5AAC) |
| Input Types | AC Voltage, AC Current, DC Voltage, DC Current, Process |
| Relay Outputs | Optional: 1, 2, or 4 × 5 Amp relays (2R configuration) |
| Case Format | 1/8-DIN Shallow Depth |
| Front Panel Rating | NEMA 4X |
| Configuration Method | Front Panel Menu (No Software Required) |
| Condition | New in Box |
Typical Applications
The Simpson H335146020 is widely deployed in:
- Industrial process monitoring and control panels
- Electrical distribution cabinets and switchgear
- Motor control and power factor correction systems
- HVAC and refrigeration equipment monitoring
- Manufacturing production line instrumentation
- Facility energy monitoring and power quality assessment
- Test and measurement benches requiring front-panel readout
Compatibility & Replacements
Compatible With
- Standard 1/8-DIN panel cutouts
- Industrial 120V AC power distribution systems
- Relay-based control logic and switching circuits
- Standard current transformers and voltage divider networks
- Industrial control cabinets with cooling and ventilation
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The H335146020 is part of the Hawk 335 product family; related models include H335146021, H335146022, H335146122, H335146220, and H335146221, each offering different input/output configurations.
Works With
- Standard industrial AC power supplies (120V)
- Relay control circuits and hardwired logic
- Manual operator interfaces and push-button stations
- Current transformers (CT) and voltage dividers
- Excitation modules and external sensor inputs




