HIMA K9203A 99692030
Product Overview
The HIMA K9203A (Part Number: 996920360) is a Digital Output (DO) module designed by HIMA (Germany) for its classic H41q/H51q safety control system. This module belongs to HIMA’s mature relay-based safety system product line and is renowned for its exceptional reliability and simplicity. The core function of the HIMA K9203A is to receive low-level control signals from safety controllers (such as CPU modules) and drive high-power loads—including emergency shut-off valves, safety contactors, alarm horns, or shutdown solenoids—via its internally integrated safety relays. It acts as a “powerful executor” in the safety loop, ensuring that safety logic decisions are accurately and reliably converted into physical actions, thereby bringing the process into a safe state.
Product Parameters
- Product Model: K9203A (Order Number: 996920360)
- Manufacturer: HIMA
- Product Type: Safety Relay Output Module (Contact Output)
- Safety Certification: SIL 3 (IEC 61508)
- Output Type: 2 x Normally Open (NO) Safety Relay Contacts
- Contact Rating: 250V AC / 30V DC, 8A
- Electrical Life: > 10^5 Operations (Under Rated Load)
- Response Time: ≤ 15 ms
- Coil Voltage: 24V DC (Powered by System Backplane or External Source, Depending on Configuration)
- Diagnostics: Contact Status Feedback (Optional)
- Isolation: Reinforced Insulation Between Coil and Contacts; Isolation Between Contacts and System
- Connection Method: Screw Terminal Block
- Operating Temperature: -20°C to +60°C
Structure and Composition
The HIMA K9203A module adopts a compact, modular design and is enclosed in a robust plastic housing. Its front panel is equipped with mechanical red indicator lights, which intuitively display the actual operating status (energized/de-energized) of the relay contacts. The module’s core component is a high-performance, high-reliability safety relay, which includes an electromagnetic coil and two sets of independent normally open (NO) high-power output contacts. Internally integrated drive circuits amplify the low-voltage logic signals from the controller and drive the relay coil. The bottom or rear end of the module features standard screw terminal blocks for connecting the load wires of the two output contacts, the drive power wires of the coil, and optional contact status feedback signal wires. The module is mounted on a standard DIN rail via pins or a snap-on design on its back, and can be installed side-by-side with other H41q/H51q system modules. It receives control signals through an internal bus or hard wiring.
Key Features and Advantages
- Exceptional Reliability and Safety: The core advantage of the HIMA K9203A lies in its physical relay contact output, which has been validated through millions of tests. This design provides an absolutely definite open state and the highest level of fail-safety, completely eliminating the leakage current or breakdown risks that may occur with solid-state outputs, and complying with the strictest safety standards.
- Powerful Load Driving Capability: Its contacts have a switching capacity of up to 8A, enabling direct driving of large valves, contactors, or motor starters without the need for additional intermediate power amplification. This simplifies system design and improves response speed.
- Transparent Status Monitoring: Mechanical indicator windows provide physical position indication of the contacts— a simple yet absolutely reliable method for status confirmation, facilitating quick on-site diagnostics by personnel. Additionally, it supports optional contact status feedback, which returns the true physical status of the contacts to the controller, enabling closed-loop diagnostics of the output stage and ensuring that the actuator operates as instructed.
- Easy Integration and Maintenance: As a standard DIN rail-mounted module, it is easy to install and replace. Its simple relay interface is compatible with all types of loads, allowing engineers to perform wiring and troubleshooting without specialized knowledge.

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