Technical Specifications
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Main function: Differential protection for medium and high voltage lines
Interoperability: SIPROTEC 5 and SIPROTEC 4 line protection devices
Tripping: 3-pole, minimum tripping time 19 ms
Inputs/Outputs: 4 current transformers, 4 voltage transformers, 11 or 23 binary inputs, 9 or 16 binary outputs
Hardware flexibility: 2 different I/O quantity structures available in the 1/3 base module (no 1/6 expansion). Housing width available with small or large display.
Housing width: 1/3 × 19 inches
Standard: Conformal coating
Application: Line protection for all voltage levels; phase-selective protection of overhead lines and cables with single or multi-ended infeed; transformers and compensating coils in protection zone; ground fault detection; serial data communication over optical fiber, two-wire, or network media
Availability: Authorized Siemens suppliers and distributors in Mumbai and across India
Power supply: 48–250 V DC / 100–230 V AC
Line differential protection (87L)
3 phase CT + neutral and residual current inputs
4 VT voltage inputs
40 digital inputs, 16 digital outputs
Withdrawable design with 10-minute backup memory
Ethernet / Serial communication, up to 2 km (fiber optic)
Front protection IP54, panel or rack mounting
Power supply: 48–250 V DC / 100–230 V AC
Measuring inputs: 3 phase CT, 1 standard neutral CT, 1 sensitive neutral CT, 4 VT
Digital I/O: 40 digital inputs, 16 digital outputs
Communication protocols: IEC 61850 Ed.1/2, Modbus TCP, DNP3 TCP, EtherNet/IP
Cybersecurity: IEC 62443-4-2 SL1 compliant
Mounting: Withdrawable, flush or rack mounting
Protection degree: IP54 (with flush mounting frame)
Operating temperature: -40 to +70 °C
Weight: approx. 3.5 kg
Frame size: up to 2500A
DC voltage: up to 1250 V
Functions: Circuit breaker, Contactor, Isolator, Energy meter
IEC 60947-2 certified
Ultra-fast current interruption with near-zero arc energy
Energy loss reduction up to 70%
Bidirectional short-circuit protection
Ideal for marine, smart transportation, smart buildings, and renewable systems
All-in-one device reduces space and cost
Teknik özellikler
Koruma Fonksiyonları:
Bara diferansiyel koruması
Seçici bölge kesmesi
Kısa kesme süresi (<15 ms)
Dış arızalara karşı yüksek kararlılık
Faz bazlı ölçüm
48 hücreye ve 12 bara bölümüne kadar yapılandırma
Kesici Arızası Koruması:
Tek fazlı koruma (akımlı/akımsız)
5 çalışma modu
İki kademeli kesme
Telekoruma ile intertrip
Özellikler:
Merkezi veya dağıtılmış kurulum
Kolay genişletilebilir yapı
DIGSI 4 ile kullanıcı dostu yapılandırma
FO (IEC 60870-5-103), Elektriksel (IEC 61850 EN100)
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