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SKU:1747-KY1
SLC500 Keyswitch Replacement Pair 1747-KY1 Allen-Bradley
Manufacturer: Allen-Bradley
Product No.: 1747-KY1
Product Type: Processor Keys
Product Origin: USA
Payment:T/T, Western Union
Weight: 40g
Shipping port: Xiamen
Warranty: 12 months
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Description
Product Overview
The Allen-Bradley 1747-KY1 is a replacement key set designed specifically for the SLC 500 modular processor family by Rockwell Automation. Functioning as the physical access key for the front-panel keyswitch, it allows system operators and engineers to toggle CPU modes between RUN, REM (Remote), and PROG (Program) on modular programmable logic controllers.
Supplied as a set of two (2) keys, the 1747-KY1 ensures immediate operational access and spare redundancy for control cabinets. Weighing an ultra-lightweight 0.04 kg (0.09 lbs) with a packaged shipping weight of 0.15 kg (0.33 lbs), it is fully compatible with SLC 5/03, SLC 5/04, and SLC 5/05 controllers operating across standard industrial environmental ranges.
Core Technical Advantages
- Universal SLC Processor Fit: Standardized key pattern built for direct compatibility with all modular SLC 500 CPUs featuring front-panel keyswitches (SLC 5/03, 5/04, and 5/05).
- Two-Key Redundancy Package: Ships as a pair of identical keys to allow one primary cabinet key and one backup copy for site security management.
- Complete Mode Switching Control: Enables secure manual switching between RUN (logic execution), REM (software control), and PROG (program download/clear) modes.
- Industrial Environmental Durability: Rated to withstand ambient cabinet operating temperatures from 0°C to 60°C (32°F to 140°F) and non-condensing relative humidity up to 95%.
Technical Specifications
| Parameter | Specification Details |
|---|---|
| Brand / Manufacturer | Allen-Bradley / Rockwell Automation |
| Catalog Part Number | 1747-KY1 |
| Product Series | SLC 500 Accessories (Bulletin 1747) |
| Component Type | Replacement Key Set for Processor Keyswitch |
| Quantity Included | 2 Keys per package |
| Compatible Controllers | SLC 5/03, SLC 5/04, SLC 5/05 Processors |
| Supported Controller Modes | RUN / REM (Remote) / PROG (Program) |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Relative Humidity | 5% to 95% (Non-condensing) |
| Estimated Net / Shipping Weight | Net Unit: 0.04 kg (0.09 lbs) | Gross Shipping: 0.15 kg (0.33 lbs) |
Installation & Handling Guidelines
- Key Insertion Order: Insert the 1747-KY1 key into the processor keyswitch after the host controller is fully mounted into the SLC 500 chassis.
- Mode Verification: Turn key to REM position for standard remote operations via RSLogix 500, or to RUN to lock out online editing during production.
- Key Retention: Store the secondary key in a secure facility location to prevent unauthorized CPU mode changes or loss of access.
Technical FAQs
Q1: Quantity included?
A1: Contains two (2) replacement keys for SLC 500 processors.
Q2: Compatible PLCs?
A2: Fits Allen-Bradley SLC 5/03, 5/04, and 5/05 controllers.
Q3: Primary function?
A3: Toggles CPU keyswitch between RUN, REM, and PROG modes.
Additional Specifications
Scalar (V/f)
Vector
AC-powered
Buying Guide
- Confirm the exact model, part number, and specifications before ordering.
- Ensure compatibility with your current machinery or control systems.
- Reach out via sale@etowonauto.com or +8617859788089 for technical assistance.
- Review delivery options, lead times, and shipping requirements.
- Follow manufacturer instructions and best practices during installation.
Shipping And Return
In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.
Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.
For more details, please review our Shipping & Return Policy.

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