Product Details
Product Description
The Allen-Bradley 1756-ESMCAP is a capacitor-based energy storage module designed for ControlLogix systems. It is installed by default in 1756-L7x controllers and provides backup energy to maintain controller operation during short-term power interruptions. Built to meet IEC, ATEX, and North American standards, it ensures reliable performance under demanding industrial conditions.
Technical Specifications
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Manufacturer Allen-Bradley
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Product Line ControlLogix
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Product Type Energy Storage Module (Capacitor-based)
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Part Number 1756-ESMCAP
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Current Draw @ 5.1 VDC 330 mA
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Temperature Codes
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North America: T4A
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ATEX: T4
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IECEx: T4
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Enclosure Rating Open-style (no enclosure)
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Maximum Ambient Temperature 60 °C (140 °F)
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Relative Humidity 5–95% non-condensing (IEC 60068-2-30)
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Vibration Resistance 2 g @ 10–500 Hz (IEC 60068-2-6)
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Shock Resistance
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Operating: 30 g (IEC 60068-2-27)
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Non-operating: 50 g (IEC 60068-2-27)
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Electromagnetic Emissions IEC 61000-6-4 compliant
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ESD Immunity IEC 61000-4-2 (6 kV contact, 8 kV air discharges)
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Shipping Weight 2 kg
Application Scenarios
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Provides backup energy for ControlLogix controllers during brief power losses
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Ensures data integrity and system reliability in industrial automation environments
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Suitable for installations requiring compliance with IEC, ATEX, and hazardous location standards
FAQ
Q: Which controllers include the 1756-ESMCAP by default? A: It is installed in all 1756-L7x ControlLogix controllers.
Q: What type of energy storage does this module use? A: It is capacitor-based, designed for short-term energy backup.
Q: Does the module have an enclosure rating? A: No, it is open-style and intended for installation within a ControlLogix chassis.
Comparison with Similar Models
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1756-ESMCAP: Capacitor-based energy storage module for L7x controllers.
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1756-ESMNSE: Non-storage energy module variant.
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1756-ESMNRM: Rechargeable energy storage module for extended backup.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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