iemmu21
ABB IEMMU21 Rear-Mount Module Mounting Unit (MMU), Alternate Part Code: 66426...
ABB
ABB IEMMU21 Rear-Mount Module Mounting Unit (MMU), Alternate Part Code: 66426...
ABB IEMMU21 Rear-Mount Module Mounting Unit (MMU), Alternate Part Code: 6642626-1, for ABB Bailey INFI 90 / Symphony Harmony DCS System Core Function Descriptio…
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Specifications
| Supports system scalability | multiple IEMMU21 racks can be cascaded to expand DCS I/O and processing capacity for large-scale process control loops |
|---|---|
| Communication modules | DSRC113, DSS014, IMS014 |
| Power supply modules | IEP02, IEP03 |
Product Description
ABB IEMMU21 Rear-Mount Module Mounting Unit (MMU), Alternate Part Code: 6642626-1, for ABB Bailey INFI 90 / Symphony Harmony DCS System Core Function Description The IEMMU21 is a 19-inch rack-mounted backplane chassis designed exclusively for ABB Bailey INFI90 distributed process control DCS platforms: Core Function Description The IEMMU21 is a 19-inch rack-mounted backplane chassis designed exclusively for ABB Bailey INFI90 distributed process control DCS platforms: Provides mechanical housing, slot rails, and integrated multi-layer backplane bus for up to 12 standard INFI90 controller, I/O, communication, and power supply modules (10 slots if two power modules are installed) Distributes four regulated DC power rails (+5V, +15V, -15V, +24V) from system power modules to all inserted modul
Frequently Asked Questions
Is the IEMMU21 genuine and available in original condition?
ZZSL Automation sources ABB parts through verified channels. Units are available in new or refurbished (tested, fully functional) condition - contact us before ordering to confirm the condition of the current stock unit.
Is IEMMU21 discontinued? Can you still supply it?
Many ABB automation parts are discontinued by the manufacturer. ZZSL specializes in obsolete and hard-to-find parts: if we do not have IEMMU21 in stock, we source it through our global network of suppliers. Ask us for current availability.
What is the delivery time?
In-stock items ship within 48 hours via express courier (DHL, FedEx or UPS) with full tracking. Special-order items typically ship within 3-7 days after confirmation.
What warranty do you provide?
All products are covered by a 12-month warranty. If a unit fails during the warranty period, we provide a replacement or refund.
How do I get a quote?
Send us the part number (IEMMU21) via the quote form, email, or WhatsApp. We respond within a few hours with stock status and pricing. No MOQ required - single-piece orders are welcome.
Do you provide technical support?
Yes. Our engineers help verify part numbers, compatibility, and alternates before you order, so you receive the correct part for your system.
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12-month warranty · No MOQ · Worldwide shipping with tracking
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