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ETC ERP-24R1-24B1-ML3P Echo Relay Panel | 24-Position

ETC ERP-24R1-24B1-ML3P Echo Relay Panel | 24-Position

SoundPro Item: 147669 | Part Number: ERP-24R1-24B1-ML3P

$6,365.00
$6,365.00 $6,365.00
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MSRP: $6,365.00 | MAP: $6,365.00

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  • 24 Positions Support Flexible Relay Or Dimmer Layouts
  • Ethernet, DMX, And sACN Simplify System Integration
  • Built-In Web UI Speeds Setup And Management
  • Branch Energy Reporting Aids Monitoring And Planning
  • 14" Wide Cabinet Fits Standard Stud-Width Construction
  • Local Override Per Circuit Improves Onsite Service
  • EchoConnect Supply Powers Connected Control Devices
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The ETC ERP-24R1-24B1-ML3P Unison Echo Relay Panel is a control-focused power distribution solution for installed lighting systems that need flexible switching, dimming support, and networked integration. Designed for venues such as theaters, schools, houses of worship, conference centers, retail spaces, and restaurants, it combines a 24-position relay panel with a 30-position breaker subpanel in a cabinet sized for standard stud-width construction. The enclosure supports flush- or surface-mount installation and provides front access for service in space-constrained electrical rooms.

This panel is built to work within modern architectural and entertainment lighting ecosystems. Native support for Echo, DMX-512, streaming ACN, astronomical time clock functions, and stand-alone operation gives integrators multiple control paths without relying on external hardware for core operation. The onboard interface and web UI simplify setup, playback, and management, while the integrated EchoConnect power supply supports connected stations, sensors, and output devices. For projects requiring broader control strategies, optional 0-10 V, contact input, and DALI cards expand system design options.

Operationally, the panel adds practical value through local override capability, emergency bypass support, and measured branch-circuit energy usage reporting. It also accommodates a wide range of relay, breaker, and dimmer configurations, including support for plug load control and GFCI breaker options upon request. For contractors and facility teams standardizing on ETC control infrastructure, this relay panel offers a scalable foundation for centralized lighting power and control.

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Specifications

Regulatory And Compliance
cULus Listed
Yes
UL508 Listed
Yes
UL67 Listed
Yes
UL924 Listed
Yes
DMX Standard Compliance
ANSI E1.11 DMX512-A
Streaming ACN Compliance
ANSI E1.31
Electrical
Main Feed Input Options
120/240 V single-phase three-wire plus ground; 120/208 V three-phase four-wire plus ground
Max Input Current
200 A
Main Circuit Breaker Options
100 A, 200 A
Subfeed Support
Three-phase and single-phase second panel up to 100 A
Short-Circuit Rating
10,000–42,000 A symmetrical
Branch Breaker Ratings
10 A, 15 A, 20 A; 1-, 2-, or 3-pole; 80% rated
GFCI Breaker Options
15 A or 20 A, 1- or 2-pole 120 V available upon request
Inrush-Pulse Tolerance
8–10.5 times rated current for half-cycle at 60 Hz
Relay Ratings
Ballast (HID)
20 A
Electronic Ballast
16 A
Tungsten
20 A
Motor Load
20 A
Isolation
4000 V RMS
State
Latching; mechanically held
Life At Full Resistive Load
100,000 cycles
Life Motor/Inductive/Tungsten
30,000 cycles
Current-Reporting Accuracy
+/- 5% of connected load
Dimmer Ratings
Phase-Adaptive Capacity
300 W resistive or electronic load
Default Phase-Adaptive Mode
Reverse phase
Forward-Phase Capacity
300 W magnetic or resistive load
Maximum Fully Loaded Dimmers
24
Control Electronics
Input
100–277 V (+/-15%), 50/60 Hz, <16 A
Control Wiring
Class 2
Control Terminations
Removable connectors
Mechanical
Enclosure Material
16-gauge steel
Finish
Black fine-textured scratch-resistant powder coat
Width
14 in
Depth
4 in
Mounting
Flush- or surface-mount
Access
Full front access with no side clearance required
Wiring Access
Removable covers for Class 1 and Class 2 wiring
Environmental
Operating Temperature
0°C to 40°C (32°F to 104°F)
Relay Thermal Output
52.38 BTU/hr
Dimmer Thermal Output
11.78 BTU/hr
Humidity
5%–95%, non-condensing

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