Manufacturer: Bently Nevada
Product No.: 125720-02
Country of origin:United States
Product Type: Relay Output Module
Barcode: 8537101190
Payment: T/T, Western Union
Weight: 400g
Dimensions: 24.1 x 2.44 x 9.91 cm
Shipping port: Xiamen
Warranty: 12 months
The 125720-02 is the dedicated full-height rear I/O 4-Channel Relay Output Module required for hazardous area (Class I, Division 2 / Zone 2) and SIL functional safety applications in the Bently Nevada 3500 Machinery Protection System. Installed in the rear slot directly behind its corresponding 149986-02 front relay control module, the 125720-02 provides four single-pole, double-throw (SPDT) relay outputs for machine protection and shutdown logic. Each channel features switch-selectable operation and integrated arc suppression, with voltage and spacing compliance specifically rated for hazardous environments.
| Component | Part Number | Selection / Function |
|---|---|---|
| Hazardous/SIL Rear I/O Module | 125720-02 | Spare 4-Channel Relay Output Module (Hazardous Area / SIL Systems) |
| Matching Front Control Module | 149986-02 | Spare 4-Channel Relay Control Module (Front Slot) |
| Complete System Ordering Code | 3500/32-01-01 / 3500/32-01-02 | 3500/32M Relay Module with 4-Channel Output & Hazardous Approval |
| Required Field Connector | 00580436 | 6-position green terminal header (or 166M2390 push-in spring type) |
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Product Type | 4-Channel Relay Output Module (Rear I/O) |
| Power Consumption | 5.8 Watts typical |
| Relay Contact Type | Single-pole, double-throw (SPDT) |
| Arc Suppressor | 250 Vrms, standard installed |
| Contact Life | 100,000 cycles @ 5 A, 24 Vdc or 240 Vac |
| Max Switched Voltage (Hazardous/SIL) | 30 Vdc / 30 Vac |
| Max Switched Current (Hazardous/SIL) | 2 A @ 0V to 30 Vdc / 2 A @ 30 Vac |
| Minimum Switched Current | 100 mA @ 12 Vdc |
| Operating Temperature | -30 degC to +65 degC (-22 degF to +150 degF) |
| Storage Temperature | -40 degC to +85 degC (-40 degF to +185 degF) |
| Humidity | 95%, non-condensing |
| Rack Space Requirement | 1 full-height rear slot |
| Dimensions (H x W x D) | 241 mm x 24.4 mm x 99.1 mm (9.50 in. x 0.96 in. x 3.90 in.) |
| Weight | 0.4 kg (1.0 lb.) |
| Terminal Pin | Function |
|---|---|
| NC | Normally Closed relay contact |
| ARM | Relay Armature / Common contact |
| NO | Normally Open relay contact |
| Relay Mode Switch | Selection switch for Normally De-energized (NDE) or Normally Energized (NE) |
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Returns & Warranty
| Product Image | Model Number / Title | Condition | Availability | Action |
|---|---|---|---|---|
|
Allen-Bradley 1769-OW8 CompactLogix Relay Output Module | Original New | In Stock | View Details |
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Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
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| Country of origin |
United States
|
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