Dedicated Function Motor Protection Relays

MachineAlert Relays

The MachineAlert Relays family of dedicated function electronic motor protection relays offers state-of-the-art supplementary protective functions that are easily added and applied to motor control circuits. MachineAlert Relays are an economical choice for protecting equipment investments and minimizing production downtime. To meet specific application requirements, a full range of products allows selective addition of protective enhancing functions for both motors and equipment.

• Current monitors
  
• Phase monitors
  
• Thermistor monitors
  
• Rotation monitors
  

Product Overview

Description

Electronic Design

• Microprocessor technology provides highly accurate and repeatable protection
  
• Built-in LCD and keypad afford a precise, digital setting
  
• Wide adjustment ranges allow for application flexibility
  
• Password protection hinders unauthorized programming access
  
• Compact 22.5 mm and 45 mm packaging
  
• Global application with CE and cULus approvals
  

Enhanced Protection

• Current monitors that provide the added benefits of under- and overcurrent detection
  
• Phase monitors that guard against the damaging effects of phase loss, under- and overvoltage, phase imbalance, and phase reversal
  
• Thermistor monitors that protect equipment from overtemperature conditions
  
• Motor rotation monitors that signal motor rotational status
  

Easy to Use

• Compact size saves valuable panel space
  
• LCD/keypad programming takes the guesswork out of device setup
  
• DIN Rail mounting makes installation a snap
  
• Terminals provide IP20 finger safety protection and are clearly marked
  
• LCD display provides relay status indication
  

	Features	Typical Applications
Product Overview Bulletin 809S Current Monitors undercurrent, overcurrent, current imbalance, phase loss	Three versions available Programmable relay trip and reset level settings Programmable relay trip and reset delay settings Automatic reset Three-phase version includes current imbalance and phase loss	Conveyors Cutting and drilling machines Pumps Mixers
Product Overview Bulletin 813S Phase Monitors phase loss, under/overvoltage, phase imbalance, phase sequence	Independent programmable trip settings for undervoltage, overvoltage, and phase imbalance Programmable relay trip and reset delay settings RMS voltage monitoring up-to 690V AC Pre-start as well as running protection Automatic reset 1 N.O. and 1 changeover contact	Pumps Fans Blowers Compressors
Product Overview Bulletin 817 Thermistor Monitors overtemperature	Two versions available Connection of up-to six PTC thermistors in series Open and short circuit detection Short circuit protected signal input Automatic, manual and remote reset options available Status indication LEDs	VFD Controlled Motors Transformers Bearings Heating systems
Product Overview Bulletin 819 Motor Rotation Monitors zero speed detection	Zero speed monitoring through evaluation of the feedback voltage of a decelerating motor Standstill monitoring by means of a pulse generator, tachometer, etc. Frequency monitoring for signals of any curve form in the range of 16…100V p-p Programmable relay trip and reset settings Programmable time delay settings	Conveyors Centrifuges Band saws Grinders

Product Family Overview

Features⋆	Bulletin 809S Current Monitors		Bulletin 813S Phase Monitors	Bulletin 817 Thermistor Monitors		Bulletin 819 Motor Rotation Monitors
	E1	E2	E2	E1	E2	E1	E2
Under- and overcurrent protection	S	S	—	—	—	—	—
Under- and overvoltage protection	S	—	S	—	—	—	—
Phase imbalance and phase loss protection	—	—	voltage based	—	—	—	—
Phase sequence protection	—	—	S	—	—	—	—
Overtemperature protection	—	—	—	S	S	—	—
Speed detection via frequency input	—	—	—	—	—	S
Speed detection evaluation of motor feedback voltage	—	—	—	—	—	S	S
Operating Range	0.5…5 A 1.0…24.9V 10…249V	2.0…15.0 A	500V AC or 690V AC	—	—	IEC 400V AC CSA/UL 300V AC	IEC 690V AC CSA/UL 600V AC
Case size (mm)	22.5	45	45	22.5	22.5	22.5	45
LCD / keypad	S	S	S	—	—	S	S
LED Status Indicator	—	—	—	S	S	—	—
Automatic reset	S	S	S	S	O	S	S
Manual reset	—	—	—	—	O	—	—
Remote reset	—	—	—	—	O	—	—
Changeover contacts (SPDT)	1	1	1	—	—	—	1
N.O. contacts	—	1	1	2	2 (independent)	2 (independent)	1
No setting required	—	—	—	S	S	—	—
Programmable trip level, reset level and time delay settings	S	S	S	—	—	S	S
Trip cause identification	—	—	S	S	S	—	—
Measuring Circuit Monitoring (open, short)	—	—	—	S	S	S	S
⋆ S= Standard O= Option

Standards Compliance and Certifications

Standards Compliance—Bulletins 809S/813S/819

EN 60255-5, EN50263
CSA C22.2, No.14
UL 508

CE
cULus Listed

Standards Compliance—Bulletin 817

IEC 255-8, IEC 292-1
IEC 255-4, IEC 69
SEV, SEN 36 1503
CSA C22.2, No. 14
UL 508

Certifications—Bulletins 809S/813S/819

cULus Listed (File E14840, Guide NKCR, NKCR7)

Certifications—Bulletin 817

cURus Recognized (File 33916, Guide NKCR2, NKCR8)
SEV
NEMKO
FI

Product Selection

Motor Protection Relay Type	Description	Cat. No.
Bulletin 809S Current Monitors	0.5…5 A AC/DC (1-phase), 2.0…24.9V or 20…249V AC/DC 50/60 Hz	809S-E1Ä
	2.0…15 A AC/DC (1-phase)	809S-E2ĵ
Bulletin 813S Phase Monitors	Monitoring Range 150…500V AC	813S-E2Bĵ
	Monitoring Range 250…690V AC	813S-E2Cĵ
Bulletin 817 Thermistor Monitors	Automatic Reset	817-E1⋆
	Automatic, manual or remote reset, status storage	817-E2⋆
Bulletin 819 Motor Speed Monitors	Max. Monitored Voltage 400V AC max. (IEC), 300V AC max. (CSA/UL), or Frequency Monitoring for signals of any curve form in the range 16…100Vp-p	819-E1Ä
	Max. Monitored Voltage 690V AC max. (IEC), 600V AC max. (CSA/UL)	819-E2Ä
Package Quantity = 1
⋆ Rated supply voltage of 24…240V AC/DC.

Ä Supply Voltage Suffix Code

The Cat. No. as listed is incomplete. Select a Supply Voltage Suffix Code from the table below to complete the Cat. No.
Example: Cat. No. 809S-E1Ä becomes 809S-E1D.

Voltage Rating	24V DC	115V AC	230V AC
	ZJ	D	A

µ Frequency Code

The Cat. No. as listed is incomplete. Select a Frequency Code from the table below to complete the Cat. No.
Example: Cat. No. 813S-E2BDµ becomes 813S-E2BD60.

Frequency Rating	50 Hz	60 Hz
	50	60

Current Transformers

Use only with Cat No. 809S-E1.

Trip Current Range Continuous AC Amperes (5 A Secondary Winding)	Maximum Current [A]		Cat. No.
	Continuous	Inrush
4.2…50	75	350	809S-CT1
17…200	300	1400	809S-CT2
42…500	750	3500	809S-CT3
100…1200	1800	8400	809S-CT4

Specifications

Programmable Settings
Setting	Recommended Adjustment Range
809S-E1
Actuation Value, Current	0.5…5.0 A
Release Value, Current	0.5…5.0 A
Actuation Value, Voltage	1.0…24.9V/10…249V
Release Value, Voltage	1.0…24.9V/10…249V
Delay	0.0…24.9 s
809S-E2
Actuation Value, Imbalance	5…35%
Release Value, Imbalance	5…35%
Delay, Relay Energize	0.0…24.9 s
Delay, Relay De-energize	0.0…24.9 s
813S-E2
Overvoltage Level (E2B/E2C)	150…500V AC/250…700V AC
Undervoltage Level (E2B/E2C)	150…500V AC/250…700V AC
% Imbalance Level	5…19%
Delay, Relay Energize	0.0…24.9 s
Delay, Relay De-energize	0.0…24.9 s
819-E1
Actuation Value, Voltage	1.0…24.9V AC
Release Value, Voltage	1.0…24.9V AC
Actuation Value, Frequency	10…249 Hz
Release Value, Frequency	10…249 Hz
Delay	0.0…24.9 s
819-E2
Actuation Value, Voltage	1.0…24.9V AC
Release Value, Voltage	1.0…24.9V AC
Delay, Relay Energize	0.0…24.9 s
Delay, Relay De-energize	0.0…24.9 s

Bulletin 817 PTC Sensor Characteristics
Type of control unit	Mark A
Sensor Characteristic	per IEC 34-11-2
Maximum number of sensors	6
Maximum cold resistance of PTC sensor chain	1500 W
Trip resistance	3600 W (±300 W)
Reset resistance	1580 W (±60 W)
Short circuit trip resistance	<20 W (–5 W, +0 W)
Short circuit reset resistance	24 W (–0 W, +6 W)
Open circuit resistance	>18000 W
Bulletin 817 Power/Trip Idendification
Power on	Green
Trip Overtemperature	Red
Trip open circuit (Sensor)	Red 2 Hz
Trip short circuit (sensor)	Red “flashes”
Bulletin 817 Measuring and Reset Lines
Measuring Line	Up to 200 parallel or twisted; >200 m shielded, shield connected with T1
Minimum Cross Section (mm2)	0.5	0.75	1	1.5
Maximum Line length (m)	200	300	400	600
Remote reset	Max 600 m; Up to 200 parallel or twisted; >200 m shielded, shield connected with r1

Bulletin 817 Relay Configuration
	817-E1	817-E2
Normal
Tripped
Power Off

Dedicated Function Relays, 809S-E1 to 813S-E2

Dedicated Function Relays
		809S-E1	809S-E2	813S-E2
ELECTRICAL
Main
Rated Insulation Voltage (Ui)		250V AC	690V AC	690V AC
Rated Operating Voltage (Ue)		IEC: 250V AC CSA/UL: 250V AC	IEC: 690V AC CSA/UL: 600V AC	IEC: 690V AC CSA/UL: 600V AC
Measurement Range		0.5...5 A AC/DC 1…24.9V 10...249V AC/DC	1...15 A AC/DC	E2B: 500V E2C: 690V
Accuracy		±5%	±5%	±5%
Number of Phases		1	1	3
Supply
Rated Supply Voltage (Us)		24V DC 115V AC, 230V AC	24V DC 115V AC, 230V AC	24V DC 115V AC, 230V AC
Operating Range		AC: 0.8…1.1 Us DC: 0.85…1.1 Us	AC: 0.8…1.1 Us DC: 0.85…1.1 Us	AC: 0.8…1.1 Us DC: 0.85…1.1 Us
Maximum Power Consumption		1 VA	2 VA	2 VA
Output Relay
Type of Contacts		(1) Form C	(1) Form A (1) Form C	(1) Form A (1) Form C
Rated Operating Current		5 A @ 250V AC 4 A @ 24V DC	5 A @ 250V AC 4 A @ 24V DC	5 A @ 250V AC 4 A @ 24V DC
Utilization Category		AC1, DC1	AC1, DC1	AC1, DC1
MECHANICAL
Environmental
Ambient Temperature	(storage)	–20…+80 °C	–20…+80 °C	–20…+80 °C
	(operating)	–5…+60 °C	–5…+60 °C	–5…+60 °C
Humidity		5…95% non-condensing	5…95% non-condensing	5…95% non-condensing
Maximum Altitude		2000 m	2000 m	2000 m
Pollution Environment		Pollution Degree 2	Pollution Degree 2	Pollution Degree 2
Degree of Protection		IP20	IP20	IP20
Terminal Cross-Sections
Terminal Screws		M3	M3	M3
Conductor Size		0.2…2.5 mm2 26…14 AWG	0.2…2.5 mm2 22…12 AWG	0.2…2.5 mm2 22…12 AWG

Dedicated Function Relays, 817-E1 to 819-E2

Dedicated Function Relays
		817-E1	817-E2	819-E1	819-E2
ELECTRICAL
Main
Rated Insulation Voltage (Ui)		250V AC	250V AC	400V AC	690V AC
Rated Operating Voltage (Ue)		IEC: 250V AC CSA/UL: 250V AC	IEC: 250V AC CSA/UL: 250V AC	IEC: 400V AC CSA/UL: 300V AC	IEC: 690V AC CSA/UL: 600V AC
Measurement Range		—	—	Freq: 10…249 Hz (16…100Vp-p) Back-EMF: 1.0…24.9V	Back-EMF: 1.0…24.9V
Accuracy		—	—	±5%	±5%
Number of Phases		—	—	1	1
Supply
Rated Supply Voltage (Us)		24…240V AC/DC	24…240V AC/DC	24V DC, 115V AC, 230V AC	24V DC, 115V AC, 230V AC
Operating Range		0.8…1.1 Us	0.8…1.1 Us	AC: 0.8…1.1 Us DC: 0.85…1.1 Us	AC: 0.8…1.1 Us DC: 0.85…1.1 Us
Maximum Power Consumption		1.5 VA	1.5 VA	1 VA	2 VA
Output Relay
Type of Contacts		(2) Form A dependent	(2) Form A independent	(2) Form A independent	(1) Form A (1) Form C
Rated Operating Current		3 A @ 120V AC 1.5 A @ 240V AC	3 A @ 120V AC 1.5 A @ 240V AC	5 A @ 250V AC 4 A @ 24V DC	5 A @ 250V AC 4 A @ 24V DC
Utilization Category		AC15, DC13	AC15, DC13	AC1, DC1	AC1, DC1
MECHANICAL
Environmental
Ambient Temperature	(storage)	–40…+80 °C	–40…+80 °C	–20…+80 °C	–20…+80 °C
	(operating)	–25…+60 °C	–25…+60 °C	–5…+60 °C	–5…+60 °C
Humidity		5…95% non-condensing	5…95% non-condensing	5…95% non-condensing	5…95% non-condensing
Maximum Altitude		2000 m	2000 m	2000 m	2000 m
Pollution Environment		Pollution Degree 2	Pollution Degree 2	Pollution Degree 2	Pollution Degree 2
Degree of Protection		IP20	IP20	IP20	IP20
Terminal Cross-Sections
Terminal Screws				M3	M3
Conductor Size		0.5…2.5 mm2 20…12 AWG	0.5…2.5 mm2 20…12 AWG	0.2…2.5 mm2 26…14 AWG	0.2…2.5 mm2 22…12 AWG

Function and Wiring Diagrams

809S-E1 Wiring Diagram



809S-E1 Function Diagram





819-E1 Wiring Diagram



819-E1 Function Diagram







809S-E2 Wiring Diagram



809S-E2 Function Diagram





819-E2 Wiring Diagram



819-E2 Function Diagram







813S-E2 Wiring Diagram



813S-E2 Function Diagram


Approximate Dimensions

Dimensions shown are in millimeters (inches) Dimensions are not intended for manufacturing purposes.

809S-E1, 819-E1



809S-E2, 813S-E2, 819-E2



Dimensions shown are in millimeters (inches) Dimensions are not intended for manufacturing purposes.

817-E1, 817-E2



809S-CT1, 809S-CT2, 809S-CT3, 809S-CT4

Use only with Cat. Nos. 809S-E1 and 809S-E2

Cat. No.	A Min.	B	C	D	E	F
809S-CT1	32 (1-1/4)	102 (4)	117 (4-5/8)	95.5 (3-3/4)	32 (1-1/4)	6.4 (1/4)
809S-CT2
809S-CT3	57 (2-1/4)	149 (5-7/8)	181 (7-1/8)	127 (5)	38 (1-1/2)	7.1 (9/32)
809S-CT4	95.5 (3-3/4)	171 (6-3/4)	198 (7-25/32)	165 (6-1/2)	41.5 (1-5/8)	7.1 (9/32)