CEE Relays Ltd

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ALL PRODUCTS
NPE915
Energy management system and fault locator. Monitors and records all major electrical quantities and can generate alarm outputs as well as communicating with SCADA. ANSI codes for alarms only; will not initiate trip 50N/67N/50/67/21FL/27/59N.
NPP915
Power monitor with a high level of accuracy. Monitors and records all major electrical quantities and communicates with SCADA systems. ANSI code 60.
NPBC915
Network control relay for dynamic networks. Features synchronisation checking and automatic re-closing of circuit breakers. Monitors and records all major electrical quantities. ANSI codes 60/74TC/25/79.
NPS914
Signalling relay with advanced communication and event recording. Has no protective functions but may be used to extend I/O capability of other NP900 relays and communicate with SCADA systems.
NPM915
Advanced motor protection relay for large motors. Includes voltage and frequency protection. ANSI codes 50/51/50N/51N(S)/50H/51H/68H/46/46R/46L/49M/87N/48/14/86/66/37/55/51LR/59/27/59P/27P/47/59N
/81O/81U/81R/32/32R/50BF/52BF/60/74TC.
NPG915
Advanced generator protection relay including vector-shift and rate-of-change-of-frequency protection. ANSI codes 50/51/50N/51N(S)/50H/51H/68H/46/46R/46L/49M/67/67N/59/27/59P/27P/47/59N/81O/81U/81R/40
/51V/64S/32/32R/37/21/24/78/50BF/52BF/60/74TC/25
NPV911
Voltage and frequency relay with synchronisation checking across up to three circuit breakers. For bus-bar protection or load shedding schemes. ANSI codes 59/27/59N/59P/27P/47/78/81O/81U/81R/60/74TC/25
NPTA915
Transformer voltage regulation relay incorporating current and voltage protection. ANSI codes 87N/49T/50/51/50N/51N(S)/50H/51H/68H/46/46R/46L/59/27/59N/59P/27P/47/24/50BF/52BF/60/74TC/90
NPT916
Transformer protection relay also used for differential protection of rotating machines. ANSI codes 87T/87N/49T/50/51/50N/51N(S)/50H/51H/68H/46/46R/46L/50BF/52BF/74TC
NPM910
Motor protection relay for small- to medium-sized motors with advanced communication and event recording. ANSI codes 50/51/50N/51N(S)/50H/51H/68H/46/46R/46L/49M/87N/48/14/86/66/37/51LR/50BF/52BF/74TC.
NPF915
Advanced feeder protection relay for phase fault, earth fault, voltage and frequency protection. ANSI codes 50/51/50N/51N/67/67N/50H/51H/68H/46/46R/46L/49L/87N/59/59N/27/59P/27P/47/81O/81U/81R/78/32/37/32R/ 50BF/52BF/21FL/60/74TC/25/79/68.
NPF910
Feeder protection relay for non-directional overcurrent and earth faults with advanced communication and event recording. ANSI codes 50/51/50N/51N/50H/51H/68H/46/46R/46L/49L/87N/50BF/52BF/74TC/79/68.
DPR800
Power swing detector for AC networks. Designed for the Railway Industry
PDZI800
Advanced catenary protection. ANSI codes 21/27/32/50/50BF/51/79. Designed for the Railway Industry
LDN2
Fault locator for catenaries. ANSI codes 21FL/74. Designed for the Railway Industry
NPIHD800-S1
Sensitive Directional earth fault relay for un-earthed systems. ANSI codes 51N/50N/67G/86/74TC/50NBF. Part of the NP800 series.
NPUH800
Zero-sequence overvoltage Relay. ANSI codes 59N/86/74TC
NPSC800
Check synchronisation between incomers and buses. ANSI code 25
NPRG860 and NPRG870
Automatic synchronisation between up to 4 generators and a network. ANSI codes 25/90
NPRG810
Check synchronisation between up to 4 generators and a network. ANSI code 25
NPIDR800
Directional three-phase overcurrent and earth fault relay with automatic recloser. ANSI codes (50/51/50N/51N) or (67/67N) /46/46BC/49/50BF/74TC/79/86. Part of the NP800 series.
NPIR800
Three-phase overcurrent and earth fault relay with automatic recloser. ANSI codes 50/51/50N/51N/46/46BC/49/50BF/74TC/79/86. Part of the NP800 series.
NPM800
Advanced motor protection relay with ANSI codes 5/37I/46/48/49/50/51N/51LR/66. Part of the NP800 series.
NPIHD800
Directional earth fault relay with ANSI codes 51N/50N/67N/86/74TC/50NBF. Part of the NP800 series.
NPIH800
Earth fault relay with ANSI codes 51N/50N/86/74TC/50NBF. Part of the NP800 series.
NPI800
Three-phase overcurrent and earth fault relay with ANSI codes 50/51/50N/51N/46/46BC/49/50BF/74TC/86. Part of the NP800 series.
NPID800
Directional three-phase overcurrent and earth fault relay with ANSI codes (50/51/50N/51N) or (67/67N) /46/46BC/49/50BF/74TC/86. Part of the NP800 series.
NPG800
Generator protection relay with ANSI codes 21/24/27/32RP/32P/32Q/37P/37Q/40/46/49/50/50V/51/51V/59/59N/64/81/86/74TC/50BF
NPW800
Power protection relay with ANSI codes 27/32P/32Q/37P/37Q/59/59N/74TC/55/81U/81O/86/BF
NPU800
Under-/Over-Voltage and Under-/Over-Frequency Relay. ANSI codes 59/27/27P/81O/81U/86/74TC
TMS700
Advanced multi-curve Over-/Under-Voltage relays. ANSI codes 27/59/59N.
RMS700 Series
Overcurrent or zero-sequence relays. ANSI codes 50/50N/51/51N. Part of the PROCOM series
IMM8000
Motor protection relay with ANSI codes 5-66/26/49/48/51LR/51/50/51N/46/37I/37P/27/59. Part of the PROCOM series.
GMS7002
Synchronous motor relay with ANSI codes 49/46/55/50/51LR/59/24/27/81/32P and 59G or 64. Part of the PROCOM series
GMS7001
Synchronous generator relay with ANSI codes 21/24/27/32RP/32P/37P/40/46/49/51/59/81 and 59G or 64. Part of the PROCOM series
CMS7003 / CMS7004
Three-phase Measurement relays ANSI code 11. Part of the PROCOM series
AMS7001 / AMS7002
Automation and Control relays ANSI codes 34/11. Part of the PROCOM series
RG750
Digital Automatic Voltage Regulator for large synchronous generators and motors. ANSI code 90
RG600
Modular analogue Automatic Voltage Regulator for synchronous generators and motors. ANSI code 90
EX600 and EX700
Static excitation systems for retro-fitting into synchronous generators and motors.
RG730MSQ
Digital excitation controller for synchronous motors. ANSI code 90
DDL800
DC Line Fault Detector. ANSI codes 76/27DC/59DC/49DC/76BF/82. Designed for the Railway Industry
TMS7000
Multi-curve Over-/Under-Voltage protection. ANSI codes 27/27P/47/59/59N.
RMST7992
Three-phase multi-curve overcurrent relay with thermal image. ANSI codes 50/50N/51/51N/49. Part of the PROCOM series
RMSR7991 / RMSR7992
Overcurrent protection, phase-to-phase and phase-to-earth with automatic recloser. ANSI codes 50/50N/51/51N/67N/68/79. Part of the PROCOM series
RMSD7900
Directional overcurent and earth fault relays. ANSI codes 67/67N. Part of the PROCOM series
RMSA7992
Overcurrent protection, phase-to-phase and phase-to-earth. Powered from phase CTs. ANSI codes 50/50N/51/51N. Part of the PROCOM series
RMS7992
Overcurrent protection, phase-to-phase and phase-to-earth. ANSI codes 50/50N/51/51N. Part of the PROCOM series
IMM7000
Motor protection relay with ANSI codes 5-66/48/49/46/51/51LR/64/37I. Part of the Procom series.
DMS7002
Differential protection for transformers ANSI code 87T. Part of the PROCOM series
DMS7001
Differential protection for rotating electrical machines ANSI code 87M. Part of the PROCOM series
BAI7001
Amplification and interface device for linking PROCOM devices on a communications network.
PGTN1
Protection for transformers feeding catenary wires on Railways and Tramways. ANSI codes 21/27/50/50BF/51/51N/67.
PDZIN1
Protection for catenary wires on Railways and Tramways with a built-in fault locator and de-icing protection. ANSI codes 21/27/32RP/50/50BF/51/87/79/21FL/50FL/87FL.
NPDT620 / NPDT630
Differential protection relays for 2 or 3 winding transformers. ANSI codes 87T/64REF. Designed for the Railway Industry
BAT7001
DC power supply for circuit breakers and relays (derived from line CTs)
IAG7014 / IAG7034
High Impedance Differential Protection relays, ANSI codes 87B or 87T or 87REF (code 87 for IAG7034).
DTT7031
Transformer differential overcurrent relay, ANSI code 87T.
DTM7033
Machine differential overcurrent relay, ANSI code 87M.
RADE7010
Lock-out relay with electrical or manual reset and DC coils. ANSI code 86.
RAD7000 Series
Lock-out relay with manual reset and DC coils. ANSI code 86.
HDG7020
Over- / Under- Frequency relay, ANSI code 81.
GTM7111
Out-of-step relay, ANSI code 55.
TTR7146
Automatic re-closer for use in conjunction with overcurrent relays. ANSI code 79
ITH7111
Sensitive zero-sequence current relay with definite-time characteristic. ANSI code 64
ITG7111
Zero-sequence current relay with definite-time characteristic. ANSI code 51N
ITD7111
Definite time directional overcurrent relay for protection against phase-to-phase faults. ANSI code 67
TAX7031
Trip circuit supervision relay with DC coils. ANSI code 74.
TTE7015 / TTE7017
Rotor earth fault relays for synchronous machines. ANSI code 64F
IAGB7012
Direct Current earth-fault relay. ANSI code 64
TTGB7031
Voltage balance / VT supervision relay. ANSI code 60
TTG7034 / TTG7134
Neutral voltage displacement relays. ANSI code 59N
ITV7000 Series
Voltage-restrained overcurrent relays. ANSI codes 50V/51V/27
ITG7000 Series
Instantaneous or definite-time overcurrent relays. ANSI codes 50/50N/51/51N
ITG7xx5 and ITG7xx6 Series
IDMT overcurrent relays with or without instantaneous elements. ANSI codes 50/50N/51/51N
ITI7521
Alternator Negative Sequence relay. ANSI code 46
YTM7111
Alternator Loss-of-field relay. ANSI code 40
ITG7118
Definite-time undercurrent relay. ANSI code 37I
PTG7111 / PTG7113
Over- or Under-power relays using nominal voltage. ANSI codes 32P or 37P or 32RP
WTG7100 Series
Active- or Reactive- Over- or Under-power relays using Wattmeters. ANSI codes 32P or 37P or 32Q or 37Q or 32RP
TAA7000
Instantaneous relay with DC coils. ANSI code 30.
TTB7000
Relays for DC Under- or Over-Voltage. ANSI codes 27DC or 59DC
TTGD7112
Time-delayed Positive-Sequence Undervoltage relay. ANSI code 27
TTG7000
Over- or Under-Voltage relays. ANSI codes 27 or 59 or 59N
STS7041
Check synchronisation relay. ANSI code 25
STEP7000
Temperature monitoring relays with 4 or 6 channels. ANSI code 26.
FTT7111
Overfluxing relay, ANSI code 24.
TTT7000
Timer relay with ANSI code 2.
RAT
Time-lag relays for panel mounting. ANSI code 2.
ABF Series
Instantaneous bistable relay for panel mounting. ANSI code 30.
RADE Series
Latching relay with electrical or manual reset. ANSI code 86.
RAG
Instantaneous relay for panel mounting. ANSI code 30.
ITF100 Series
Zero-sequence current detectors for low-voltage AC or DC networks. ANSI code 64
CEF50
Timer relay for panel mounting with ANSI code 2.
AF440
Instantaneous relay for panel mounting. ANSI code 30.