Basler ES25-1AA1N0N0 Relay

ES Series Protection Relays Specifications Basler Electric ES Series Protection Relays provide a
wide range of functions with the following common specifications:
Agency/Certifications
UL listed (UL 508, CSA C22.2 No. 0 and 14), CE and UKCA compliant (LVD, EMC, and RoHS2), China RoHS Compliant
Applied Standards For all ES Series Protection Relays:
Power Supply All units are self-powered except for the ES-37, ES-51, ES-37/51, ES-49, ES-74S, and ES-74V relays.
IEC 60255-1 Measuring Relays and Protection Equipment-Part 1: Common requirements
ES Relay Model
Nominal Sensing Input
IEEE C37.90™-2005 Relays and Relay Systems Associated with Electric Power Apparatus
25, 27, 59, 32, 47, 47N, 55, 81O, 81U
120, 208, 240, 380, 415 or 480 Vac*
IEEE C37.90.1™-2012 Surge Withstand Capability Tests for Relays and Relay Systems Associated with
Electric Power Apparatus
32, 37, 51, 55
5 A (or 1 A for 55)
74S
50 or 100 mVdc
IEEE C37.90.2™-2004 Withstand Capability of Relay Systems to Radiated EMI from Transceivers
74V
1, 10, 100, or 125 Vdc
49
10 Ω Cu or 100 Ω Pt
IEEE C37.90.3™-2001 ESD Tests for Protective Relays For ES-74S Relay only:
IEEE 421.3™-1997 For High-Potential Test Requirements for Excitation Systems for
Synchronous Machines (for field voltages up to 600 Vdc and bridge input voltages up to 1,300 Vac)
*For other nominal voltages, contact Basler Electric Output Relay Type: SPDT (form-C)
Make and Carry for Tripping Duty:
30 A, 250 Vdc for 0.2 seconds per IEEE Std C37.902005; 7 A continuous ac or dc
Break Resistive or Inductive:
0.3 A at 125 or 250 Vdc (L/R = 0.04 maximum)
Environmental Operating Temp:
-40°C to 70°C (-40°F to 158°F) Storage Temp:
-40°C to 85°C (-40°F to 185°F) Relative Humidity:
≤95% non-condensing As required by IEC 60255-27:
Ingress Protection: IP50 Case, IP20 Terminals Pollution Degree:
1 Insulation:
Class II Overvoltage:
Category III Physical Case Material:
Weight:
Case Dimensions:
Mounting (HxD):

Complies with UL 94 V-0 0.85 lb (0.38 kg) narrow case 1.10 lb (0.50 kg) wide case
See chart and figures 2-4 below
DIN rail 1.38 x 0.29 inches (35 x 7.5 mm) Complies with IEC 60715
For complete specifications, download the instruction manual at www.basler.com.
Related Products
BE1-FLEX Protection, Automation and Control System Designed to be configurable for nearly any Power
System Application.
Figure 2 - Narrow Case Size in Inches (millimeters) (Front View)
Figure 3 - Wide Case Size in Inches (millimeters) (Front View)
Cases, Covers, Connectors, Mounting, Batteries, and Miscellaneous Accessories are designed for adaptive customization
with your protective device.
Accessories 3.0 in. (76.0 mm) wide
Basler P/N: 9323900001
5.5 in. (140 mm) wide
Basler P/N: 9323900002
8.0 in. (203 mm) wide
Basler P/N: 9323900003
39.4 in. (1,000 mm) wide
Basler P/N: 17366
Basler P/N: 31761
Figure 4 - Case Size in Inches (millimeters) (Side View)
Case Dimension Chart
ES Model
Highland, Illinois USA Tel +1 618.654.2341 Fax +1 618.654.2351 email: [email protected]
Suzhou, P.R.China Tel +86.512.8227.2888 Fax +86.512.8227.2887 e-mail: [email protected]
For additional information visit: www.basler.com
Case Width
ES-27, ES-59, ES-37 1-phase, ES-51 1-phase, ES-47, ES‑47N, ES-47N/27, ES-74S, ES-74V, ES-81U, ES-81O
2.17 inches (55 mm)
ES-25, ES-27/59, ES-32, ES-37 3-phase, ES-51 3-phase, ES‑37/51 1-phase, ES‑49, ES-55, ES-74S O/U,
ES‑74V O/U, ES-81O/U
3.93 inches (100 mm)
ES relays with optional auxiliary relay output contacts are always supplied in a wide case.
UTA-11 (11-23)