Allen-Bradley 1756-A4K | ControlLogix 4-Slot Chassis

Overview

The 1756-A4K from Allen-Bradley is a 4-slot ControlLogix chassis designed for high-performance industrial automation systems. It features horizontal mounting and an open enclosure, providing flexible integration in control cabinets. This chassis supports multiple modules, ensuring stable communication and reliable operation across the backplane.

Its compact 0.75 kg (1.7 lb) design allows easy installation in standard cabinets. The chassis supports operating temperatures from –25 to 60 °C and can withstand vibration up to 2 g and shock up to 30 g. Conformal coating enhances environmental protection, while ESD immunity ensures reliable electrical performance.

Key Features

• 4-slot ControlLogix chassis with open-type design

• Horizontal mounting for reliable module integration

• Maximum power dissipation: 4 W

• Backplane current: 10 A at 5 V DC, 2.8 A at 24 V DC

• Operating temperature: –25 to 60 °C; storage: –40 to 85 °C

• Shock rating: 30 g; vibration rating: 2 g at 10–500 Hz

• ESD immunity: 6 kV contact, 8 kV air discharge

• Compact 0.75 kg (1.7 lb) design with minimum cabinet size 50.8 × 50.8 × 20.3 cm

Technical Specifications

Advantages

The Allen-Bradley 1756-A4K chassis provides reliable module connectivity with stable backplane power distribution. Its horizontal mounting and robust construction support demanding industrial environments. Compact size, conformal coating, and wide temperature tolerance ensure long-term operational reliability.

FAQ

Q1: Is the 1756-A4K brand new and original?
A1: Yes, it is fully original and brand new from Allen-Bradley.

Q2: How quickly can I receive this chassis?
A2: We have stock. Delivery usually takes 3 days to 2 weeks depending on order size.

Q3: What shipping methods are available?
A3: Common options include DHL, FedEx, and UPS.

Q4: What if the chassis has a quality issue?
A4: We support returns within 30 days for any quality problems.

Q5: How many slots does the 1756-A4K support?
A5: The chassis provides 4 slots for ControlLogix modules.

Q6: What mounting orientation is required for this chassis?
A6: The 1756-A4K must be mounted horizontally as specified by the manufacturer.