Bently Nevada 125720-02 | Spare 4-Channel Relay Output Module

The 125720-02 4-Channel Relay Output Module is designed to enhance the Bently Nevada 3500 system. It provides four independent relay outputs that you can configure to meet various application needs. Moreover, you can install any number of these relay modules in the slots to the right of the Transient Data Interface Module.

Each of the four relay outputs can be individually programmed to perform voting logic. Importantly, the relay’s alarm drive logic supports both AND and OR logic, and it can incorporate alarming inputs (Alert and Danger statuses), Not-OK, or individual PPLs from any monitor channel, or any combination of monitor channels in the rack. Thanks to the 3500 Rack Configuration Software, programming these alarm drives is straightforward and ensures they align with your specific requirements.

Specifications

Relay Type: Single-pole, double-throw (SPDT)
Environmental Sealing: Epoxy-sealed
Arc Suppressor: 250 Vrms (installed as standard)
Contact Life: 100,000 cycles at 5 A, 24 Vdc or 240 Vac

Environmental Limits

Operating Temperature: -30°C to +65°C (-22°F to +150°F)
Storage Temperature: -40°C to +85°C (-40°F to +185°F)
Humidity: 95%, non-condensing

Physical Characteristics

Module Dimensions: 241 mm x 24.4 mm x 242 mm (9.50 in. x 0.96 in. x 9.52 in.)
Weight: 0.7 kg (1.6 lb.)

Contact Ratings for Standard Systems

Minimum Switched Current: 100 mA at 12 Vdc

Contact Ratings for Functional Safety and Hazardous Area Systems

Minimum Switched Current: 100 mA at 12 Vdc

Spare Part

125720-02: Spare 4-Channel Relay Output Module for hazardous area systems and functional safety systems.

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