1440-REX00-04RD | Allen-Bradley XM 441 Expansion Relay Module

Specifications of XM 441 Expansion Relay Module (1440-REX00-04RD)

Status Indicators

• Module Power: Green
• Relay 1-4 Status: Red

Communication

• Host Communication: Connects to a host module via the side connector of the terminal base.
• Expansion Capability: Supports placement immediately to the right of an XM-440 master relay module.

Relays

• Number: Four relays, each with two sets of DPDT contacts (two Form C).
• Contact Rating: 250V AC, 50/60 Hz @ 3 A resistive.
• Failsafe Options: Supports both normally energized (fail-safe) and normally de-energized (non-failsafe) configurations.
• Managed Features: Includes latching, time delay, logic functions, reset, and activation managed by the host XM module.

Environmental Conditions

• Operating Temperature: -20…65 °C (-4…149 °F)
• Storage Temperature: -40…85 °C (-40…185 °F)
• Relative Humidity: 5…95% noncondensing
• Vibration Resistance: 2 g @ 10…500 Hz
• Shock Resistance: Operating - 15 g, Nonoperating - 20 g

Emissions and Immunity

• Emissions: CISPR 11 (IEC 61000-6-4) Class A
• ESD Immunity: 4 kV contact, 8 kV air discharges (IEC 61000-4-2)
• Radiated RF Immunity: 10V/m from various frequencies (IEC 61000-4-3)
• EFT/B Immunity: ±2 kV at 5 kHz on power ports, ±1 kV at 5 kHz on relay and signal ports (IEC 61000-4-4)
• Surge Transient Immunity: ±1 kV line-earth (CM) on relay, signal, and XM bus ports (IEC 61000-4-5)
• Conducted RF Immunity: 10V rms with 1 kHz sine-wave 80% AM from 150 kHz…80 MHz (IEC 61000-4-6)

Power and Wiring

• Supply Voltage: 24V DC, 0.2 A max, Class 2/SELV
• Power Dissipation: 2.9 W (9.9 BTU/hr) max
• Wiring Categories: 2 (relay, power, signal ports), 3 (serial ports), 2 (XM bus ports)

Physical

• Enclosure Type: None (open-style)
• Terminal Base: 1440-TB-D
• Dimensions: 97 x 94 x 94 mm (3.8 x 3.7 x 3.7 in.)
• Weight: 0.172 kg (0.379 lb)