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SIEMENS 6ES7390-1AF30-0AA0 SIMATIC S7-300 Rack

Q: What is the specific mechanical difference between this and a 35 mm DIN rail?

The 6ES7390-1AF30-0AA0 features a wider, profiled mounting surface with pre-drilled holes for the S7-300’s unique module hooks. Unlike the snap-on mechanism of a standard 35 mm DIN rail (EN 60715), this rack requires each module to be hooked at the top and screwed at the bottom. This design provides significantly higher resistance to mechanical shock and ensures the backplane bus connectors remain perfectly aligned.

Q: Does this 530 mm rack come with the grounding bolt pre-installed?

Yes. Every original Siemens 6ES7390-1AF30-0AA0 includes an integrated M6 grounding bolt. This allows for a low-impedance connection between the rail and the cabinet’s protective earth (PE) busbar, which is essential for protecting the CPU against electromagnetic interference (EMI) and maintaining system safety.

Q: Can I mount S7-1500 modules on this S7-300 rail?

No. The 6ES7390-1AF30-0AA0 is physically keyed for the S7-300 and ET 200M series only. The S7-1500 series uses a completely different mounting rail profile (6ES7590 series). GoldRayline recommends strictly adhering to series-specific racks to ensure proper module fixation and grounding.

Q: How many modules can typically fit on this 530 mm rack length?

A 530 mm Siemens 6ES7390-1AF30-0AA0 is designed for a full rack configuration. It typically holds a Power Supply (80 mm), a CPU (40-120 mm), and 8 additional signal or communication modules (40 mm each). This is the standard sizing used by engineers to maximize cabinet space while maintaining clear access to the grounding bolt.

Q: Does this rack include the backplane bus connectors (U-connectors)?

No. The Siemens 6ES7390-1AF30-0AA0 is a mechanical structure. The electrical communication between modules is handled by the small U-connectors or active bus modules that plug into the back of the electronics. The rail’s job is to ensure those modules are held in precise alignment so the bus connection is never stressed.

Q: Is this aluminum rail resistant to corrosive industrial atmospheres?

Yes. The Siemens 6ES7390-1AF30-0AA0 is made of high-grade anodized aluminum, providing excellent protection against oxidation in humid or chemical-laden environments. This ensures that the grounding contact points remain conductive over decades of service, protecting your PLC from erratic “Bus Fault” (BF) errors caused by poor earthing.

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Part No.: 6ES7390-1AF30-0AA0

Gross Weight: 3kg

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Descripción

The 6ES7390-1AF30-0AA0 is a 530 mm specialized mounting rail serving as the essential System Rack for SIMATIC S7-300 configurations. Unlike standard EN 60715 DIN rails, this aluminum rack provides the precise mechanical alignment and integrated grounding required for S7-300 modules. GoldRayline maintains original, ready-to-ship inventory for global industrial infrastructure.

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Descripción general del producto

The Professional System Rack for S7-300 Modular Automation

El 6ES7390-1AF30-0AA0 is the definitive structural foundation for the SIMATIC S7-300 and ET 200M platforms. Classified as a Estante, this 530 mm aluminum mounting rail is engineered specifically to accommodate the unique bolt-on mechanical profile of S7-300 modules. Unlike standard 35 mm DIN rails (EN 60715), this rail ensures that each module—from Power Supplies to CPUs—is securely locked in place, preventing mechanical drift and ensuring optimal contact for backplane bus connectors. Its anodized aluminum construction provides superior corrosion resistance and acts as a centralized grounding bus for the entire PLC node.

Standard 530 mm Foundation for Scalable Cabinet Design

GoldRayline recognizes that the 1AF30-0AA0 530 mm rail is the industry-standard length for fully populated S7-300 racks. We focus on providing this original Siemens hardware to ensure that B2B partners and system integrators can build cabinets that meet strict IEC/EN standards for vibration resistance and electrical bonding. By supplying the genuine S7-300 system rack, we eliminate the risks associated with third-party mounting solutions, ensuring your CPU and I/O modules remain physically stable in heavy-duty environments such as steel mills or high-vibration engine rooms.

Presupuesto

Número de modelo	6ES7390-1AF30-0AA0	Marca del producto	SIEMENS
Tipo de producto	Rack (Mounting Rail)	Serie de productos	SIMATIC S7-300
System Length	530 milímetros	Material	Anodized Aluminum
Module Fixation	Screw-type Bolt-on	Toma de tierra	Integrated M6 Bolt
Estándar	SIMATIC S7-300 Profile	Solicitud	Central/Expansion Rack
Mechanical Grade	Industrial Heavy Duty	Clase de protección	IP20 (Mechanical)
Dimensiones	530 x 122 x 15 mm	Peso neto	approx. 700 g

Related Siemens SIMATIC S7-300 Components

El 6ES7390-1AF30-0AA0 provides the physical framework for the following core S7-300 modules. GoldRayline stocks the complete range of mechanical and electronic components for a total system build.

Número de modelo	Tipo de componente	Technical Role	Conexión
6ES7317-2AK14-0AB0	CPU 317-2 DP	PLC Central Processor	Rack Bolt-on
6ES7307-1KA02-0AA0	Fuente de alimentación	PS 307 10A Load	Rack Bolt-on
6ES7390-0AA00-0AA0	Conector frontal	20-Pin Wiring Accessory	I/O Module Link
6ES7392-1AM00-0AA0	Conector frontal	40-Pin Wiring Accessory	I/O Module Link
6ES7370-0AA01-0AA0	Rack / Rail	Mounting Accessory	System Expansion
6ES7321-1BL00-0AA0	Entrada digital	32-Ch 24V DC Module	P-Bus Peripheral
6ES7322-1BL00-0AA0	Salida digital	32-Ch 24V DC Module	P-Bus Peripheral

What is the specific mechanical difference between this and a 35 mm DIN rail?

El 6ES7390-1AF30-0AA0 features a wider, profiled mounting surface with pre-drilled holes for the S7-300’s unique module hooks. Unlike the snap-on mechanism of a standard 35 mm DIN rail (EN 60715), this rack requires each module to be hooked at the top and screwed at the bottom. This design provides significantly higher resistance to mechanical shock and ensures the backplane bus connectors remain perfectly aligned.

Does this 530 mm rack come with the grounding bolt pre-installed?

Yes. Every original Siemens 6ES7390-1AF30-0AA0 includes an integrated M6 grounding bolt. This allows for a low-impedance connection between the rail and the cabinet’s protective earth (PE) busbar, which is essential for protecting the CPU against electromagnetic interference (EMI) and maintaining system safety.

Can I mount S7-1500 modules on this S7-300 rail?

No. The 6ES7390-1AF30-0AA0 is physically keyed for the S7-300 and ET 200M series only. The S7-1500 series uses a completely different mounting rail profile (6ES7590 series). GoldRayline recommends strictly adhering to series-specific racks to ensure proper module fixation and grounding.

How many modules can typically fit on this 530 mm rack length?

A 530 mm Siemens 6ES7390-1AF30-0AA0 is designed for a full rack configuration. It typically holds a Power Supply (80 mm), a CPU (40-120 mm), and 8 additional signal or communication modules (40 mm each). This is the standard sizing used by engineers to maximize cabinet space while maintaining clear access to the grounding bolt.

Does this rack include the backplane bus connectors (U-connectors)?

No. The Siemens 6ES7390-1AF30-0AA0 is a mechanical structure. The electrical communication between modules is handled by the small U-connectors or active bus modules that plug into the back of the electronics. The rail’s job is to ensure those modules are held in precise alignment so the bus connection is never stressed.

Is this aluminum rail resistant to corrosive industrial atmospheres?

Yes. The Siemens 6ES7390-1AF30-0AA0 is made of high-grade anodized aluminum, providing excellent protection against oxidation in humid or chemical-laden environments. This ensures that the grounding contact points remain conductive over decades of service, protecting your PLC from erratic “Bus Fault” (BF) errors caused by poor earthing.

How does GoldRayline protect these long rails from bending during global shipping?

Because the 530 mm rail is a precision structural component, any bend can ruin module alignment. We use heavy-duty, impact-resistant protective tubes or reinforced double-wall cartons for all 6ES7390-1AF30-0AA0 orders. We ship via express international carriers to ensure your system foundation arrives perfectly straight and ready for installation.

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