ELECTROSWITCH
LOR
Series 24 Lock-Out Relays
Proven Protection for Critical Utility Equipment and Systems
Lock-Out Relays (LORs) are designed to protect equipment and
personnel in critical utility applications. In an emergency, LOR
performance can mean the difference between a routine outage
and the destruction of vital equipment. Proven in thousands of
applications, Electroswitch Lock-Out Relays are the industry
standard for safety and reliability. With Electroswitch Lock-Out
Relays, theres NEVER A DOUBT!
15-Deck Lock-Out Relay
Designed for today's most demanding applications,
the Electroswitch 15 - Deck Lock-Out Relay:
Series 24
Provides 30 Normally Open (N/O) and
15 - Deck LOR
30 Normally Closed (N/C) contacts
Trips in under 8 milliseconds
Requires no special mounting
Push-to-Trip Lock-Out Relay
Push-to-trip Lock-Out Relays provide a safe means of tripping
circuits without opening the panel or exposing
maintenance personnel to risk.
Simplifies testing of connected circuits
Eliminates the need to trip from rear of panel
Allows tripping of LOR without using jumpers or trip signal
Design prevents accidental tripping and
ensures tripping of intended LOR
Series 24
Push - to - Trip
Initial test is done electrically,
LOR
subsequent testing can be done manually
Trip button is easily accessed via a hole drilled in the panel
Additional Series 24
Lock-Out Relays
from Electroswitch
SLOR LOR/SR LOR/ER
Serial Self-Reset Electric Reset
180 King Avenue Weymouth, Massachusetts 02188 TEL: (781) 335-5200
ELECTROSWITCH
FAX: (781) 335-4253 www.electroswitch.com info @electroswitch.com
NEW!ELECTROSWITCH
LOR
Series 24 Lock-Out Relays
Series 24 Lock-Out Relays Specifications
High Quality Designed and manufactured to the Electrical
highest standards in the industry
Continuous Ratings: 30 A 600 V
Qualified to UL, CSA
Making Ability for CB Coils: 95 A125 VDC
ANSI/IEEE C37 .90-2005
UL Interrupt Ratings: 20 A 120 VAC, 15 A 240 VAC, 6 A 600 VAC,
ANSI/IEEE C37 .90.1-2012
3 A 125 VDC, 1A 250 VDC
Overload Current (50 Ops): 95 A 120 VAC, 65 A 240 VAC, 35 A 600 VAC
Versatility 9 Different trip coils to choose from
Contact Resistance: .01 Ohms Maximum
Up to 30 N/O and 30 N/C contacts
in one standard LOR
Electronic
Available with electric reset capability
Available with built-in coil monitoring and Baud Rate: 9600 Std; 1200, 4800, 19200 Selectable
fault signal detection/indication
Transient Protection: Meets IEEE C37.90.1 and IEC 61000 - 4 - 4
Self - Reset Time: Optional, Programmable, 0.1 to 60 Sec.
High-Speed Transition times of less than 8 milliseconds
1
( 2 cycle) are standard
Mechanical
Optional Continuously lit left LED indicates LOR is
Decks 1-10, 12, 15 Std. Consult Factory for Options
in a ready state
Lighted
Contacts 2 N/O and 2 N/C Per Deck
Nameplate
Continuously lit Right LED indicates Action 45
presence of trip signal to warn against
Mounting Panel Mount, 3 Hole Mounting,
resetting into a fault
Panel Thickness 3 16" Max. Standard Consult Factory for Options
Eliminates the need for pilot lights and Rotary Contacts Double -Wiping Silver Overlay Phosphor - bronze
expensive inter wiring, and reduces
Stationary Contacts Silver Inlay in Brass, Silver Plated with Integral
panel space
Screw Type Terminals
Construction Contacts Enclosed in Molded Phenolic Insulators
Availability Virtually all Series 24 Manual Reset
LORs are available from stock for
Trip Coil Reset Coil and Electronics
immediate delivery
Coil Circuit Burden Coil Circuit Burden (Amps)
Most popular Electric Reset LORs
Voltage Nominal DC Ohms (Amps) at DC Ohms at Rated
(LOR/ERs) are also available from stock
Range Voltage @ 25C Rated Voltage @ 25C Voltage
C 48 VDC 13.0 3.7 3.0
15.9
Service Electroswitch Customer Service and
D 125 VDC 27.0 4.6 12.4
Application Specialists can help you with 10.1
product selection and application. Let us
F 250 VDC 104.0 2.4 80.6
3.1
put over 50 years of know - how to
For additional trip coil options, consult factory or see LOR-1 Tech Pub on website.
work for you!
Trip Coil Voltage Data Depth Behind Panel (inches)
Number of Manual Reset High-Speed Trip LOR/ER and Instant Reset
Voltage Range Nominal Voltage Threshold Voltage Operating Range
Decks LOR LOR/ER LOR/SR Time Delay LOR/SR
A 24 VDC 6 VDC 10 - 40 VDC 1 3.63
B 24 VDC 9 VDC 18 - 50 VDC
2 4.38
C 48 VDC 12 VDC 24 - 70 VDC
3 4.75 8.00 8.00 8.63
125 VDC 16 VDC 30 - 140 VDC 4 5.50
D
120 VAC 20 VAC 30 - 140 VAC 5 6.25 9.75 9.75 10.38
6 7.50
E 125 VDC 23 VDC 45 - 140 VDC
7 8.13 11.63
250 VDC 33 VDC 70 - 280 VDC
F
240 VAC 40 VAC 60 - 280 VAC 8 8.50 11.63 11.63
10 9.63 12.90
G 125 VDC 70 VDC 90 - 140 VDC
12 10.40
H 250 VDC 140 VDC 180 - 280 VDC
K 125 VDC 16 VDC 100 - 150 VDC 15 12.75
180 King Avenue Weymouth, Massachusetts 02188 TEL: (781) 335-5200
ELECTROSWITCH
FAX: (781) 335-4253 www.electroswitch.com info @electroswitch.com
This publication supersedes all previous editions. Specifications subject to change at the discretion of Electroswitch. DS2 -LOR 2016 Electroswitch
l