The R. STAHL 9477/15-08-12 is a digital output relay module designed for the Remote I/O IS1 system, specifically engineered for use in Zone 2 (Ex n) hazardous areas. This module provides eight non-intrinsically safe (Ex nA) relay outputs, each equipped with zero-potential normally open (NO) contacts, enabling the control of high-capacity loads up to 100 VA. Notably, the module supports hot-swapping within Zone 2 environments, allowing for maintenance or replacement without the need to power down the system. Its robust design ensures reliable operation in challenging industrial settings, making it ideal for controlling solenoid valves and other actuators in hazardous locations.

Technical Specifications:

• Number of Channels: 8 Ex nA outputs

• Max. Switching Voltage: 250 V AC / 30 V DC

• Max. Switching Current: 2 A (AC/DC)

• Max. Switching Capacity: 100 VA (AC) / 60 W (DC)

• Electrical Service Life: ≥ 600,000 cycles at 2 A AC 1 load

• Mechanical Service Life: ≥ 10 million cycles

• Power Consumption: Max. 4.8 W

• Ambient Temperature Range: -20°C to +65°C (-4°F to +149°F)

• Dimensions (W x D x L): 96.5 mm x 67 mm x 128 mm (3.8 in x 2.64 in x 5.04 in)

• Weight: Approximately 0.321 kg (0.71 lbs)

• Mounting Position: Vertical or horizontal

• Degree of Protection: IP20

• Certifications: ATEX (PTB), IECEx (PTB), FM (USA), cFM (Canada)

R. STAHL - DOMR 08 - 9477/15-08-12 - Remote I/O IS1 Digital Output Relay Module