

SIEMENS Intelligent Manual Alarm Button (with built-in short-circuit isolator in telephone jack), FDM230-CN
LEHIY item code: LH-1191
Description: SIEMENS Intelligent Manual Alarm Button (with built-in short-circuit isolator in telephone jack)
Category: Manual Alarm Button
The FDM230-CN manual fire alarm button is used to manually activate the alarm when a fire occurs. It consists of two parts: a manual alarm (1) and a base (2).
Quick buying check
This page helps you check SIEMENS Intelligent Manual Alarm Button (with built-in short-circuit isolator in telephone jack), FDM230-CN before you ask for a quote.
Confirm the brand, model number, part number, and quantity. Share a clear nameplate photo when the old item has close variants.
LEHIY can check stock, lead time, packing, shipping documents, and safe replacement options for maintenance orders.
Product Overview
The FDM230-CN manual fire alarm button is used to manually activate the alarm when a fire occurs. It consists of two parts: a manual alarm (1) and a base (2).
Product Features
Meets national standard GB19880-2005 "Manual Fire Alarm Buttons"
Resettable push-button alarm
Each manual alarm is independently addressed, and the address is automatically set without the need for encoder settings or DIP switches.
The fire alarm LED can display normal, alarm, and location status, and the telephone LED can display the telephone status.
Communicates with the controller (FC720-CN series/FS1120 series) via C-NET.
Comes with a telephone jack (3.5mm diameter)
The product label comes with a peelable coding sticker for easy engineering debugging
Manual Fire Alarm Button Function
Pressing the control panel directly triggers the alarm. The control panel display changes as shown in Figure 2, and the fire alarm indicator light illuminates.
Insert the telephone jack to call the switchboard.
Reset the control panel with the key to restore the manual alarm to normal operation.
Manual Fire Alarm Button Debugging
The table below lists the different states indicated by the fire alarm indicator light.
| Status | Red LED Indicator Light |
| Normal | Off |
| Alarm | Constant On |
| Location | Flashing |
The following table lists the different states indicated by the telephone indicator lights
| Status | Red LED Indicator |
| Normal (Hang-up) | Flashing |
FDM230-CN Manual Communicator Function Check
Set the circuit containing the manual communicator to test mode
Press the control panel; the fire alarm indicator light will illuminate.
Insert the key from the bottom as shown in Figure 9 to reset the control panel.
Remove the key and reset the manual alarm to normal mode.
Product Applications
Applications
Immediate manual alarm for fire alarms.
Indoor use.
Surface mounting and recessed mounting; location should be easily accessible.
Installation:
Preparation
Use the key to separate the base (see Figure 3; the key is included in the product packaging).
Keep the key in a safe place. Secure the base. Installation. ...
Technical Specifications
| Specification | Value |
|---|---|
| Brand | SIEMENS |
| Category | Manual Alarm Button |
| Description | SIEMENS Intelligent Manual Alarm Button (with built-in short-circuit isolator in telephone jack) |
Plain language sourcing guide for SIEMENS Intelligent Manual Alarm Button (with built-in short-circuit isolator in telephone jack), FDM230-CN
Start with the full model name. Check the brand name. Check the part number. Check the code on the old unit. These small checks help you avoid a wrong order.
Take one clear photo of the front label. Take one photo of the side label. If the part has a cable, plug, port, seal, coil, or screen, take a photo of that area too.
Tell us the quantity you need. Tell us your country. Tell us the date when the plant needs the part. We can then check stock, lead time, safe packing, and the best shipping plan.
If the exact model is no longer made, do not guess. Send the old model and the use case. LEHIY can compare close options and explain which choice is safer for repair work.
Use simple order notes. Write the model in one line. Write the quantity in one line. Write the delivery country in one line. This helps our team reply faster.
Check the old part before removal. Look at the label. Look at the connector. Look at the mounting size. Look at the voltage or pressure rating if it is shown.
Do not rely on a short nickname for a part. Many industrial items have close versions. A small suffix can change the plug, output, range, or software setting.
Ask for a stock check if the plant is stopped. Ask for a lead time if the order is planned. Ask for packing photos if the part is fragile or heavy.
For a replacement order, tell us what failed. Tell us where the part is used. Tell us if an equal model is acceptable. This makes the first answer more useful.
For repeat orders, send the last invoice, old label, or old packing photo. The same reference can help us match the correct product again.
For urgent service, keep the message simple. One model, one quantity, one photo, and one delivery target are enough for a fast first check.
| Brand Name: | Siemens | Certification: | ISO9001, CE |
|---|---|---|---|
| Place of Origin: | China | Condition: | New |
| Warranty: | 1 year | Customized sourcing: | available |
What are your strengths?
Ans. LEHIY specializes in industrial automation and control components, offering fast sourcing, stable quality, and competitive prices for global customers.
What is your estimated delivery time?
Ans. Most items ship within 3-7 days. Customized or rare models may take 10-30 working days.
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Ans. Our main products include PLCs, sensors, valves, solenoid valves, actuators, power modules, transmitters, and complete industrial automation solutions.
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Ans. You can reach us anytime via Email, WhatsApp, LinkedIn, or our contact page. Our sales engineers respond quickly and provide technical support when needed.
What are your payment terms?
Ans. Standard terms are 50% TT in advance and 50% balance before delivery. We also support Alibaba Trade Assurance and L/C for qualified orders.
Feel free to Ask questions
SIEMENS Intelligent Manual Alarm Button (with built-in short-circuit isolator in telephone jack), FDM230-CN
Send the brand, model, part number, quantity, nameplate photos, and application requirements. LEHIY will check availability, suitable alternatives, packing details, and delivery options before quoting.
For discontinued, temporarily unavailable, or configuration-sensitive items, our team can compare the requested model with close variants or compatible replacements for maintenance and spare parts planning.
Use this page as a practical sourcing note for engineers, buyers, and maintenance teams comparing automation components. Check the model name, brand, LEHIY code, application, and replacement requirements before sending an inquiry.
Short, clear information helps our team confirm availability faster and reduce back-and-forth communication during urgent maintenance projects.
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- Include photos, drawings, old purchase records, or datasheets when compatible alternatives are acceptable.
- Ask for stock checking, replacement comparison, packing details, and export documentation before ordering.
Useful details for a faster quote
- Complete model and part number
- Required quantity and target delivery date
- Nameplate photos, drawings, or old purchase records
- Voltage, signal range, dimensions, or accessory needs
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SIEMENS Intelligent Manual Alarm Button (with built-in short-circuit isolator in telephone jack), FDM230-CN verification notes
Please send the full model number, quantity, target delivery date, and nameplate photos. These details help us check the requested product or a close replacement.
LEHIY reviews product name, part number, series, label information, and application requirements before shipment.
If the original model is discontinued or supplied with different accessories, we can explain practical differences before quoting.
For repeat purchasing, we can help organize related models, replacement parts, shipment schedules, and clear communication for your team.
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