X-21s™ | Specifications

Power Requirements

• Voltage: 9-28 VDC (supplied via the X-400 or X-600M controller, 24V recommended)
• Max Current:

Power Supply	All Relays OFF	All Relays ON
9 VDC	17 mA	270 mA
12 VDC	13 mA	189 mA
24 VDC	7 mA	110 mA

Relay Contacts

• Number of Relays: 4
• Max Voltage: 125VAC, 28VDC
• Max Current: 2.5A
• Contact Type: SPDT (Form C)
• Load Type: General Purpose
• Contact Resistance: < 100 milliohms initial
• Contact Material: AgNi
• Electrical Life: 100K operations (Min)
• Mechanical Life: 5M cycles (Min)
• Environmental Rating: Over voltage Category II, Pollution Degree 2
• Relay Modes: ON/OFF or Pulsed
• Pulse Timer Duration: 0.1 to 86,400 Seconds (1-day)

Connectors

• Relays: 12-Position, 3.81mm terminal spacing, Removable. For 16-28 AWG wire.
• Expansion Connector: Ribbon cable, 10-conductor, polarized, 2x5-position, 0.100" pitch Provides power and communications for expansion modules (Communications: RS-485)

LED Indicators

• Number of LEDs: 5
  • Power on
  • Relay coil energized 1-4

Physical

• Size:
  • 1.41in (35.7mm) wide
  • 3.88in (98.5mm) tall
  • 3.1in (78mm) deep (not including connector)
• Weight: 4.8 oz (136 g)
• Enclosure Material: Lexan 940 Polycarbonate Plastic
• Enclosure Flame Rating: UL94 V0

Environmental

• Operating Temperature: -40°F to 122°F (-40°C to 50°C)
• Storage Temperature: -40°F to 185°F (-40°C to 85°C)
• Humidity: 5-95%, non-condensing
• Altitude: Up to 2,000m
• Indoor use or NEMA-4 protected location