Data Sheet

ManualsBrandsFinder ManualsElectromechanicsThermistor Relay With Fault Memory 71.92.8.230.0001 Temperature monitoring with a PTC

71.11.8.230.0010 71.11.8.230.1010

• Fixed - Over/Under voltage limits,

(0.75...1.2) U

respectivity

• Link selectable - 5 min or 10 min delay

1 CO (SPDT) 1 CO (SPDT)

10/15 10/15

250/400 250/400

2,500 2,500

500 500

0.5 0.5

10/0.3/0.12 10/0.3/0.12

300 (5/5) 300 (5/5)

AgCdO AgCdO

230 230

——

4/— 4/—

(0.75...1.2)U

(0.8...1.2)U

——

100 · 10

Fixed (0.75…1.2)U

Adjustable (±5…±20)% U

(5 or 10)min / < 0.5 s (5 or 10)min / < 0.5 s

——

None – circuits are electrically common None – circuits are electrically common

–20...+55 –20...+55

IP 20 IP 20

• Adjustable - symmetrical Over/Under voltage

limits adjustable between ±5% to ±20% U

• Switch selectable - 5 min or 10 min delay

• Detects and trips on out-of-limits L-N voltage, and protects against excessive “starts/hour”

through ”power-on” and “lock-out” time delays.

• Typical applications - protection of compressor motors and high pressure discharge lamp

circuitry.

1 - Phase 230 V

Over & Under voltage monitoring relays

71.11.8.230.0010

- Fixed Over & Under voltage detection

- Link selectable 5 or 10 minute lock-out delay

71.11.8.230.1010

- Adjustable Over & Under voltage detection

- Switch selectable 5 or 10 minute lock-out delay

• 35 mm rail (EN 60715) mounting

• LED indication

• Positive safety logic (healthy conditions -

output relay energised)

Contact specification

Contact configuration

Rated current/Maximum peak current A

Rated voltage/Maximum switching voltage V AC

Rated load AC1 VA

Rated load AC15 (230 V AC) VA

Single phase motor rating (230 V AC) kW

Breaking capacity DC1: 30/110/220 V A

Minimum switching load mW (V/mA)

Standard contact material

Supply specification

Nominal voltage (U

) V AC (50/60 Hz)

V DC

Rated power AC/DC VA (50 Hz)/W

Operating range AC

Technical data

Electrical life at rated load AC1 cycles

Detection levels

Switch-on lock-out time/reaction time

Fault memory

Electrical isolation: Supply to Measuring circuits

Ambient temperature range °C

Protection category

Approvals (according to type)

Fixed limits

Features

71 Series - Monitoring relays 10 A

XI-2012, www.findernet.com

Summary of content (14 pages)

PAGE 1
71 Series - Monitoring relays 10 A Features 71.11.8.230.0010 71.11.8.230.1010 1 - Phase 230 V Over & Under voltage monitoring relays 71.11.8.230.0010 - Fixed Over & Under voltage detection - Link selectable 5 or 10 minute lock-out delay 71.11.8.230.1010 - Adjustable Over & Under voltage detection - Switch selectable 5 or 10 minute lock-out delay 35 mm rail (EN 60715) mounting LED indication • Positive safety logic (healthy conditions output relay energised) • • Fixed - Over/Under voltage limits, (0.75..
PAGE 2
71 Series - Monitoring relays 10 A Features 71.31.8.400.1010 3 - Phase 400 V Over & Under voltage monitoring relay 71.31.8.400.
PAGE 3
71 Series - Monitoring relays 10 A Features 71.31.8.400.1021 71.31.8.400.2000 3 - Phase 400 V - Line monitoring relays 71.31.8.400.1021 - Over & Under voltage trip on-delay - Fault memory 71.31.8.400.
PAGE 4
71 Series - Monitoring relays 10 A Features 71.41.8.230.1021 71.51.8.230.1021 Universal voltage or current detecting and monitoring relay 71.41.8.230.1021 - Voltage monitoring 71.51.8.230.1021 - Current monitoring Zero voltage memory according to EN 60204-7-5 • Programmable for DC or AC detection level: - range detecting: upper and lower value - upper set point minus hysteresis range (5...50)% for switch on - lower set point plus hysteresis range (5...
PAGE 5
71 Series - Monitoring relays 10 A Features 71.91.x.xxx.0300 71.92.x.xxx.0001 Thermistor temperature sensing relays for industrial applications 71.91 - 1 Pole, without fault memory 71.
PAGE 6
71 Series - Monitoring relays 10 A Ordering information Example: Universal voltage monitoring relay with LCD display for AC/DC voltage detection, 1 CO (SPDT) contact rated 10 A 250, supply voltage 230 V, programmable delay time and fault memory. 7 1 . 4 1 . 8 . 2 3 0 . 1 Series Type 1 = 1 phase AC line monitoring 3 = 3 phase AC line monitoring 4 = AC/DC universal- Voltage detection 5 = AC/DC universal- Current detection 9 = Thermistor relay (temperature monitoring with PTC thermistor) No.
PAGE 7
1 Series - Monitoring relays 10 A Technical data Insulation Insulation according to EN 61810-1 insulation rated voltage V rated impulse withstand voltage Dielectric strength (A1, A2, A3, B1, B2), and V AC contact terminals (11, 12, 14) and terminals (Z1, Z2) kV 250 4 pollution degree 3 over-voltage category III 2,500 kV (1.
PAGE 8
XI-2012, www.findernet.com SPDT 71.11.8.230.0010 • 71.11.8.230.1010 • 71.31.8.400.2000 71.41.8.230.1021 Current transformer 8 • • 71.51.8.230.1021 71.92.0.024.0001 71.92.8.230.0001 • • • • • • • • SPDT 71.31.8.400.1010 • • 71.31.8.400.1021 • • SPST-NO 71.91.0.024.0300 • • 71.91.8.230.
PAGE 9
71 Series - Monitoring relays 10 A Explanation of relay marking and LED/LCD display Monitoring relay without LCD-display ON LED green steady light: supply voltage is on and measuring system is active. DEF Default: the detected value is outside of the acceptable range (asymmetric is shown by the LED ASY). LED red flashing: delay time is running, see the function diagram. LED red steady light: output relay is off, contact 11-14 (6-2) is open. ASY Phase asymmtery is outside of the predefined range.
PAGE 10
71 Series - Monitoring relays 10 A LED/LCD status announcement/advice Type 71.11.8.230.0010 71.11.8.230.1010 71.31.8.400.1010 71.31.8.400.
PAGE 11
71 Series - Monitoring relays 10 A Functions Type 71.11.8.230.0010 Switch off Immediately if monitored value is outside of the set points. Fixed limits Switch on After expiry of the time T and if monitored value is within the set points. C = output contact Normally open 11-14 (6-2) closed. Type 71.11.8.230.1010 Switch OFF Immediately if monitored value is outside of the set points. Switch on After expiry of the time T and if monitored value is within the set points.
PAGE 12
71 Series - Monitoring relays 10 A Functions Type 71.31.8.400.2000 Switch off Phase asymmetry Incorrect phase rotation Phase loss U= 400 V AC 3 ~ (50/60 Hz ) L1 L2 L3 A1 1 3 A2 5 7 A3 9 LED • ASY yellow Phase asymmetry LED • DEF red Voltage to A1 (1) and/or A2 (5) > 1.11 UN 3~U ASY 2 4 14 12 6 8 11 LED • ON green Monitoring system is active and 400 V supply voltage is connected to 1-5 or A1-A2. 10 C = output contact Normally open 11-14 (6-2) closed. Type 71.41.8.230.
PAGE 13
71 Series - Monitoring relays 10 A Functions Type 71.51.8.230.1021 Switch off ILo – mode If the monitored value is less than the lowerlimit and, time T1 has expired. Programmable MEMORY ON MEMORY OFF IUp – mode If the monitored value is higher than the upper limit, and time T1 has expired. ILo IUp – mode If the monitored value of voltage is outside of the upper or lower limits, and time T1 has expired. Inrush current < T2 is ignored ILo...ILo + Hys IUp...IUp – Hys IUp...
PAGE 14
71 Series - Monitoring relays 10 A Functions Type 71.92.x.xxx.0001 Switch off - Thermistor line break - Over temperature RPTC > (2.5...3.6)kΩ, - Thermistor line short circuit (RPTC < 20Ω) - Loss of supply MEMORY OFF Switch on Temperature within limits (20Ω...2.5kΩ) on power-up. RPTC > (1...1.5)kΩ on cooling. MEMORY ON Select MEMORY OFF If monitored value is expected to cross the resetting threshold. *PTC-Break **PTC-Short circuit *** RESET MEMORY = Operate the RESET key, or interrupt the supply.