Honeywell 10310/2/1 Earth Leakage Detector | 24V DC ELD Module

Honeywell 10310/2/1 Earth Leakage Detector Module

The 10310/2/1 Earth Leakage Detector provides advanced ground fault monitoring for DC systems. This Honeywell module delivers reliable performance across industrial applications with flexible configuration options.

Core Detection Capabilities

• Monitors multiple DC systems including 24V, 48V, 60V, and 110V DC configurations
• Features three operating modes: continuous DC, 1Hz pulsed, and 0.25Hz pulsed earth connection
• Provides visual status indication through a green MODE LED that flashes at selected frequency
• Offers manual self-test capability and earth connection monitoring through front panel switches
• Detects earth faults within a broad threshold range of -30V to +125V DC

Technical Specifications

• Product Number: 10310/2/1 Earth Leakage Detector
• Manufacturer: Honeywell International
• Power Supply: 24V DC nominal, 30V DC maximum input voltage
• Supply Current: Maximum 60 mA under normal operating conditions
• Earth Voltage: -12V DC reference voltage when no earth fault exists
• Earth Current: 5.5 mA (±1 mA) standard, 25 mA (±5 mA) maximum
• Output Contact: 115V DC maximum output voltage, 2A maximum current
• Relay Specifications: 5A maximum current, 250V AC/DC switching capability
• Operational Life: 100,000 electrical operations, 200 million mechanical cycles
• Input Monitoring: Rst24 (18-70V DC), Rst110 (40-130V DC) input ranges

Installation & Configuration

• Mount the module securely in designated Honeywell compatible racks and enclosures
• Use key coding with holes at positions A5 and A11 for proper module alignment
• Connect earth monitoring points according to your specific DC system voltage requirements
• Set switch 1 to DC position for continuous operation or pulsed modes for special applications
• Ensure power supply remains within 24-30V DC range for optimal performance

Packaging & Shipping

• Package includes one 10310/2/1 Earth Leakage Detector module
• Includes installation guide and technical specification documentation
• All products ship with professional packaging to prevent transit damage
• We ship worldwide using FedEx, UPS, and DHL express services
• Orders typically process within 1-2 business days for rapid delivery

Professional Applications

• Industrial control systems requiring ground fault detection and monitoring
• Power distribution panels for 24V-110V DC electrical systems protection
• Manufacturing facilities with sensitive electronic equipment safeguarding needs
• Process control environments where earth leakage could indicate system issues
• Electrical substations and power management applications for DC circuits

Frequently Asked Questions

• What systems can this earth leakage detector monitor?
• The detector handles multiple DC systems including 24V, 48V, 60V, and 110V DC configurations with proper connections.
• How does the pulsed earth connection mode function?
• The module can interrupt earth connection at 1Hz or 0.25Hz frequencies for specialized applications and fault locating.
• What is the maximum voltage this module can withstand?
• The unit accepts up to 30V DC power supply and monitors systems up to 130V DC through its Rst110 input.
• How long does the relay typically last in operation?
• The relay provides 100,000 electrical operations and 200 million mechanical cycles under normal conditions.
• What indicators show the module is functioning properly?
• A green MODE LED flashes at the selected frequency when in pulsed mode, providing clear operational status.