Littelfuse PMA-16 - MPU/FPU 169 169 PLUS 269 369 DB-9. Panel mount adapter for replacing the GE Multilin 169, 169 Plus, 269, and 369, with DB-9 cut-out.
Littelfuse

PMA-16

UPC: 079458978339

Documents & Media
BrochureSpecification Sheet

Contact for Pricing

Overview

The Littelfuse PMA-16 Panel Mount Adapter is a precision-engineered solution designed to replace legacy GE Multilin 169, 169 Plus, 269, and 369 series devices in industrial control systems. This high-performance adapter features a DB-9 cut-out, enabling direct compatibility with existing panel-mounted systems while maintaining signal integrity and operational reliability. Engineered for durability in harsh industrial environments, the PMA-16 delivers consistent performance where precision connectivity is critical. As industrial automation continues to evolve, facilities often face challenges when upgrading or maintaining legacy control systems. The Littelfuse PMA-16 addresses this need by providing a seamless transition path for GE Multilin devices, eliminating the need for costly panel modifications or system redesigns. Its robust construction ensures long-term operation in applications ranging from power generation and distribution to manufacturing and process control, where equipment longevity and minimal downtime are paramount. Key features of the PMA-16 include a rugged panel mount design that simplifies installation and maintenance, reducing labor costs and system disruption during upgrades. The DB-9 cut-out ensures proper alignment and secure connection with compatible cables and connectors, preventing signal loss or intermittent failures that can compromise system reliability. Unlike generic adapters, the Littelfuse solution is specifically engineered to match the dimensional and electrical requirements of the GE Multilin series, ensuring plug-and-play compatibility without performance compromises. Industries that benefit most from the PMA-16 include utilities, oil and gas, water treatment, and heavy manufacturing, where legacy control systems remain in operation but require modernization. Electrical engineers and maintenance technicians rely on Littelfuse’s reputation for quality and reliability when selecting components for critical infrastructure. The PMA-16’s compliance with industrial standards and compatibility with existing wiring harnesses make it an ideal choice for both retrofit projects and new installations where future-proofing is a priority. When selecting a panel mount adapter, professionals consider factors such as material durability, ease of installation, and manufacturer support. Littelfuse’s extensive experience in industrial protection and connectivity solutions ensures that the PMA-16 meets these criteria while providing the performance and longevity expected in mission-critical applications. Trusted by engineers worldwide, Littelfuse delivers products that enhance system reliability and reduce total cost of ownership through superior design and construction.
  • Replaces GE Multilin 169, 169 Plus, 269, and 369 series devices
  • DB-9 cut-out ensures seamless integration with existing systems
  • Rugged panel mount design for durable industrial environments
  • Simplifies installation and maintenance in retrofit applications
  • Trusted Littelfuse quality for mission-critical control systems

Specifications

Application
Industrial
Brand Name
Littelfuse
Special Features
None
Sub Brand
PMA Series
Type
Panel Mount
Relay Accessories, Sockets & Clips, Printed Circuit Board, Phenolic, Printed Circuit Board, 6, Socket, Potter & Brumfield R10

1-1393143-3

Relay Accessories, Sockets & Clips, Printed Circuit Board, Phenolic, Printed Circuit Board, 6, Socket, Potter & Brumfield R10
Relay Accessories, Sockets & Clips, Solder, Polyester, Printed Circuit Board, 2, Socket, Potter & Brumfield R10

1-1393143-6

Relay Accessories, Sockets & Clips, Solder, Polyester, Printed Circuit Board, 2, Socket, Potter & Brumfield R10
RTXP 18

RK926011-BC

RTXP 18
RTXD Extractor Tool

6896057-1

RTXD Extractor Tool
Power supply for DIN-rail

PS-60

Power supply for DIN-rail
IP67 SCP-X Extreme Environment Series Power Supply. Double Stacked, Output Power 2 x 100W, Output Voltage 24 Vdc, Output Current 7.6 A total, 3.8 A per pair

SCP102D24X-C02

IP67 SCP-X Extreme Environment Series Power Supply. Double Stacked, Output Power 2 x 100W, Output Voltage 24 Vdc, Output Current 7.6 A total, 3.8 A per pair

Frequently Asked Questions about Littelfuse

What certifications and standards do Littelfuse products comply with?

Littelfuse products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Customers can verify specific product certifications by consulting individual product datasheets on Littelfuse.com, which provide comprehensive details about standards compliance for each component.

What industries and applications are Littelfuse products used for?

Littelfuse products are critical for electrical protection and safety across multiple industrial sectors, including manufacturing, automation, power distribution, and electrical control systems. Their comprehensive product portfolio serves industries that require robust electrical protection, including motor and pump applications, solar installations, programmable logic controllers (PLCs), electrical switch panels, and critical infrastructure environments. Key product lines protect against overcurrent, voltage transients, ground faults, and temperature-related electrical risks, ensuring equipment safety and operational reliability.

What technical support does Littelfuse offer?

Littelfuse offers comprehensive technical support through multiple channels. Their Technical Hotline (800-TEC-FUSE) provides direct access to engineers who can help identify issues and recommend solutions. Additionally, Littelfuse offers extensive online Technical Resources at Littelfuse.com, including datasheets, product manuals, whitepapers, application guides, and online design tools. Their experienced product and application engineers also provide step-by-step support from design to installation.

What are the main product lines offered by Littelfuse?

Littelfuse offers comprehensive industrial protection and control product lines, including fuses, fuse holders, protection relays, temperature sensors, and electrical safety components. Their key product categories span surge protective devices, custom OEM products, electrical switch panels, medium voltage fuses, ground-fault protection relays, motor and pump protection devices, and temperature sensors. These products are designed to minimize electrical safety hazards, limit equipment damage, improve productivity, and safeguard personnel from electrical faults.

What are the key features of Littelfuse products?

Littelfuse products feature exceptional circuit protection technologies with key characteristics including UL/IEC safety standard compliance, low internal resistance, and advanced protective capabilities across multiple product lines. Their components provide critical protection for industrial systems, offering features like overcurrent protection, voltage transient suppression, and resettable protection devices with ultra-low resistance and compact designs. Key product lines include fuses, metal oxide varistors (MOVs), TVS diodes, PolySwitch devices, and specialized electronic protection components that enhance system reliability and safety.

What environmental ratings do Littelfuse products have?

Littelfuse products feature comprehensive environmental ratings, including NEMA Type 1, 2, 3, 3R, 4/4X, 12, and 13 certifications, as well as IP65 protection. These ratings ensure superior protection in diverse industrial environments, with an operating temperature range of -40°F to +131°F (-40°C to +55°C). Many products also include UV-stabilized materials and neoprene gaskets for enhanced durability in outdoor and challenging conditions.

What accessories are available for Littelfuse products?

Littelfuse offers several key accessories across their product lines, including fuse holders, voltage monitoring modules, and terminal connectors. Specific accessories include the LPSM003ZXID (indicating) and LPSM003Z (non-indicating) POWR-SAFE Dead Front fuse holders for Class CC and Midget-Style fuses, the VRM6048 voltage monitor accessory module, and female quick connect terminals (P1015 series) in various wire gauge sizes. These accessories are designed to enhance protection, monitoring, and connectivity for Littelfuse electrical components.

What is Littelfuse's warranty policy?

Littelfuse provides comprehensive warranty details on their official website at www.littelfuse.com/warranty. Customers should visit this page to review the specific warranty terms and conditions for their specific product lines. For direct warranty support or questions, customers can contact Littelfuse Technical Support at 1-800-TEC-FUSE or email [email protected].

What communication protocols do Littelfuse products support?

Littelfuse supports a comprehensive range of industrial communication protocols, including PROFIBUS, PROFINET, EtherNet/IP, DeviceNet, Modbus RTU, and CANopen. Our products provide flexible connectivity solutions across multiple industrial automation platforms, enabling seamless integration with various control systems and network architectures.

How are Littelfuse products typically installed?

Littelfuse products are typically installed using specialized mounting hardware like fuse holders, blocks, and panels designed for specific industrial applications. The POWR-SAFE Dead Front holders, for example, provide optimum protection for Class CC and Midget-Style fuses, supporting installations up to 600 VAC/DC. Installation often involves using precision terminals with strain relief, such as 0.25 in. female quick connect terminals, to ensure secure and safe electrical connections in industrial control systems.